WEBVTT - The Ninja, Part 3

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<v Speaker 1>Welcome to Stuff to Blow Your Mind, production of iHeartRadio.

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<v Speaker 2>Hey, welcome to Stuff to Blow Your Mind. My name

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<v Speaker 2>is Robert Lamb.

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<v Speaker 3>And I'm Joe McCormick, and we're back with part three

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<v Speaker 3>in our series on Ninja. Now, if you haven't heard

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<v Speaker 3>the first two parts of this series, this is a

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<v Speaker 3>case where you really should go back and listen to

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<v Speaker 3>those before you listen to today's episode, because we lay

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<v Speaker 3>a lot of groundwork, especially about the tricky historical questions

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<v Speaker 3>about the sort of accuracy of a lot of the

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<v Speaker 3>received knowledge about the ninja. And so if you are

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<v Speaker 3>wondering about like how the ninja fit into real history

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<v Speaker 3>versus pop culture and then sort of subsequent lore and legend,

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<v Speaker 3>we talk more about that in the previous episodes. Today

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<v Speaker 3>we're going to be focusing more on just some of

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<v Speaker 3>the great bits of tech mixture and the anecdotes from

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<v Speaker 3>that historical lore and legend, the stories of individual ninjas,

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<v Speaker 3>the stories of the stories of tools and techniques and

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<v Speaker 3>equipment and so forth.

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<v Speaker 2>Yeah, I mean, you basically can think of it this way.

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<v Speaker 2>The ninja existed, true statement, the ninja are a myth

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<v Speaker 2>and never existed. True statement depends on how you tease

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<v Speaker 2>it apart, you know, and likewise a lot of this too,

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<v Speaker 2>Like we'll get into specific examples of ninja tools or weapons,

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<v Speaker 2>and you can say this never existed, and then you

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<v Speaker 2>can also say, but I can buy one at the

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<v Speaker 2>mall today, and so it's like, well it exists now, right,

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<v Speaker 2>So it's it gets complicated.

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<v Speaker 3>This is a great time, I think, to discuss some

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<v Speaker 3>of the various ninjutsu manuals that were published beginning in

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<v Speaker 3>the Edo period, beginning under the Tokugawa Shogunate, that are

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<v Speaker 3>the source of a lot of the ninja lore that

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<v Speaker 3>we have today. So you can think about sort of

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<v Speaker 3>like multiple stages of development of the ninja lore over

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<v Speaker 3>the centuries. This is going way back. It's questionable whether

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<v Speaker 3>some of the things reported in these manuals were actually

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<v Speaker 3>used in the earlier periods, But these seventeenth eighteenth century

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<v Speaker 3>texts have lots of great stuff in them that I

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<v Speaker 3>think later gets picked up by authors, say in the

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<v Speaker 3>twentieth century, and reprocessed and turned into the pop culture

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<v Speaker 3>idea of the ninja. So there are multiple ninjitsu manuals,

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<v Speaker 3>and I'm just going to list some common characteristics of them.

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<v Speaker 3>So they will teach techniques of espionage, stealth, and intelligence gathering,

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<v Speaker 3>including everything from how to infiltrate a building using different

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<v Speaker 3>kinds of ladders to how to gag a prisoner. So

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<v Speaker 3>they're full of descriptions of techniques. They pass along practical

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<v Speaker 3>knowledge about real subjects, such as pharmacology like using herbs

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<v Speaker 3>to achieve an effect in the body, and how to

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<v Speaker 3>use gunpowders, so there is some amount of chemistry knowledge,

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<v Speaker 3>at least as it was understood in the seventeenth century.

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<v Speaker 3>In some of these books, they describe and illustrate tools

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<v Speaker 3>and equipment such as cow drops. You know, these spiked

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<v Speaker 3>spiked objects that would be used. You know, you'd throw

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<v Speaker 3>them on the ground to slow the advance of an

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<v Speaker 3>enemy or to deny them access to an area.

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<v Speaker 2>Yeah, makabishi, I believe, is the term for these. And

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<v Speaker 2>these are interesting on their own terms because if you've

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<v Speaker 2>played Dungeons and Dragons, you may have used these. You know,

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<v Speaker 2>these are pretty common way to slow down an enemy.

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<v Speaker 2>But apparently when you get into the history of their

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<v Speaker 2>use in shnobi activities, like some examples of them may

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<v Speaker 2>have been essentially organic or found items like essentially like

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<v Speaker 2>throwing nuts, you know, or today's version would be like

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<v Speaker 2>spreading legos all over the floor. That's not quite like

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<v Speaker 2>a nature fact or a found item, but you know,

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<v Speaker 2>you get the idea and then that you could progress

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<v Speaker 2>from them into potentially like metal objects that are spiked

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<v Speaker 2>and so forth. And speaking of those ladders, yes, ladders

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<v Speaker 2>are absolutely a tool of the ninja. And if you

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<v Speaker 2>are in the Dungeons and Dragons campaign and you're playing

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<v Speaker 2>a rogue, go ahead and equip that ladder, bring that

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<v Speaker 2>ladder with you, and dare your dungeon master to make

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<v Speaker 2>you roll a dexterity check whilst climbing it. Ladders are great,

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<v Speaker 2>trust the ninja on this.

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<v Speaker 3>My current rogue has a real affinity for climbing. He's

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<v Speaker 3>got the I don't know it's level three or level

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<v Speaker 3>four or wherever it is. You get to pick one

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<v Speaker 3>of the feats, and he's got second story work where

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<v Speaker 3>you know, you can climb at the same rate you

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<v Speaker 3>can you can run.

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<v Speaker 2>That's great. Yeah, but I feel like we've been kind

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<v Speaker 2>of just like a modern Ninja batmanification of our understanding

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<v Speaker 2>of what rogues should have. Batman never carried a ladder

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<v Speaker 2>but he probably should have carried a ladder. I think

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<v Speaker 2>that would be great.

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<v Speaker 3>The bat ladder, I mean, the rope ladder, will you

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<v Speaker 3>gets you a lot of places. I guess batman doesn't

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<v Speaker 3>need a ladder because he has the unrealistic, the back

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<v Speaker 3>claw thing that you can just shoot and will zip

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<v Speaker 3>him up anywhere.

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<v Speaker 2>Absolute trust in the masonry the buildings he's interacting with.

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<v Speaker 3>Yeah, but anyway, all the stuff I've mentioned so far,

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<v Speaker 3>that's the stuff you would imagine a ninjitsu manual to include. Right,

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<v Speaker 3>you know, techniques about stealth tools. You could use, knowledge

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<v Speaker 3>about pharmacology and gunpowder and things like that. But there

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<v Speaker 3>are also things you might expect less. These manuals often

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<v Speaker 3>emphasize spiritual and philosophical elements of the shnobi lifestyle, like

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<v Speaker 3>some during the Edo period promote Confucianism with a strong

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<v Speaker 3>emphasis on loyalty, which of course was favored by the

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<v Speaker 3>Tokugawa shoguns. They sometimes also include moral discourses that serve

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<v Speaker 3>as justification for shnobi activities, like it's okay to use

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<v Speaker 3>lies and deception and trickery because they will help you win.

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<v Speaker 3>They're what you have to do to win, and what's

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<v Speaker 3>ultimately right is to be loyal to your masters and

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<v Speaker 3>to help win in the conflict. And so so you know,

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<v Speaker 3>you got to deliver that intelligence. It doesn't matter if

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<v Speaker 3>you have to lie to do it. They sometimes also

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<v Speaker 3>include more esoteric guidance, like the use of astrology or divination.

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<v Speaker 3>They are often falsely attributed to a great hero or

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<v Speaker 3>legend from history. They do not depict shnobi in black

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<v Speaker 3>costumes and masks. They are not generally concerned with assassination,

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<v Speaker 3>nor do they usually describe hand to hand combat or

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<v Speaker 3>sword fighting techniques, as would come to be the calling

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<v Speaker 3>card of Ninja in later movies. Once again, they are

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<v Speaker 3>most often concerned with intelligence gathering, psychological warfare, and sabotage.

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<v Speaker 3>And to this point, one of the manuals I'll mention

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<v Speaker 3>in a minute actually specifies that your shinobi your spies

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<v Speaker 3>should be selected based on intelligence and not physical strength,

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<v Speaker 3>because these people were not primarily thought of as fighters,

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<v Speaker 3>but as tricksters and observers gatherers of information.

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<v Speaker 2>Yeah, I mean, when you think about it, like your shnobi,

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<v Speaker 2>are they going to be able to throw down with

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<v Speaker 2>a samurai, an armed samurai like you know, one to

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<v Speaker 2>one in some sort of a battle. I think there's

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<v Speaker 2>a strong case to be made. No, the trickery if that,

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<v Speaker 2>if that's sort of violent encounter where to occur, the

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<v Speaker 2>trickery is going to make the difference, not the martial arts.

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<v Speaker 2>I'm guessing that's right.

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<v Speaker 3>As we talked about in the last episode, the idea

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<v Speaker 3>of shanoby as instigators of daring individual violence and hand

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<v Speaker 3>to hand combat, that is more of the later movie

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<v Speaker 3>ninja thing. The earlier emphasis is though there all there

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<v Speaker 3>are lots of sort of shinobi warfare activities in shnobi attacks,

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<v Speaker 3>sneak attacks by night. Most of the time, these manuals

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<v Speaker 3>and early ideas of shinobi are are more focused on spying.

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<v Speaker 3>For just one example of how these older military manuals

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<v Speaker 3>might focus more on espionage strategy than on the type

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<v Speaker 3>of combat focused ninja behavior we think of today, there

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<v Speaker 3>was a sixteenth century military manual called the Kinetsushu, and

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<v Speaker 3>this text was from earlier than the major ninjutsu manual.

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<v Speaker 3>So this is not I want to be clear, this

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<v Speaker 3>is not one of the ninjutsu manuals I'm talking about.

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<v Speaker 3>This is a general warfare manual from a little bit earlier,

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<v Speaker 3>and its focus is broadly on strategy and warfare, but

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<v Speaker 3>it contains a sub section on espionage techniques, and it

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<v Speaker 3>recommends things like the following. It says, before you go

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<v Speaker 3>on a military campaign, send spies into the area that

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<v Speaker 3>you're targeting to pose as merchants and craftsmen. And these

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<v Speaker 3>spies should make maps of local topography and try to

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<v Speaker 3>figure out the morale of locals, for example, by listening

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<v Speaker 3>to whether people sing sad songs or happy songs. And

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<v Speaker 3>you can also try to split loyalties within the region

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<v Speaker 3>by doing things like have your spies make donations to

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<v Speaker 3>local temples and shrines to win over the approval of

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<v Speaker 3>the priests class.

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<v Speaker 2>And I'm guessing you had to be kind of selective

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<v Speaker 2>about how you do it, Like, don't immediately set up

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<v Speaker 2>shop and be like, hey, what do you think of

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<v Speaker 2>the latest Lena del Rey album. You know, tease it

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<v Speaker 2>out a little bit, make sure you have enough lead

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<v Speaker 2>time to really immerse yourself in the local community.

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<v Speaker 3>Exactly right. Oh, and I should say, by the way,

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<v Speaker 3>I mentioned it in the last couple of episodes, but

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<v Speaker 3>just to flag again one of my major sources here.

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<v Speaker 3>Also on the general facts about these ninjasu manuals is

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<v Speaker 3>a book by a British historian named Stephen Turnbull called

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<v Speaker 3>Ninja Unmasking the Myth from twenty seventeen, and so he

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<v Speaker 3>highlights several important ninjasu manuals that I wanted to talk

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<v Speaker 3>about for a moment here. These later manuals in the

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<v Speaker 3>seventeenth century onward were more directly focused on ninjitsu, and

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<v Speaker 3>they include texts such as the Gunpo Geoshu, which was

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<v Speaker 3>published in the sixteen fifties, and the famous mansen shu

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<v Speaker 3>Kai or benson Shukai from around sixteen seventy six, the

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<v Speaker 3>latter of which has in some instances been referred to

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<v Speaker 3>as the Ninja Bible, though this is probably a misleading

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<v Speaker 3>way to characterize it. Mens In Chuki or bens in Chukai.

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<v Speaker 3>The title means ten thousand rivers flowing together into an ocean,

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<v Speaker 3>and in particular this one is the source of a

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<v Speaker 3>lot of modern ninja lore. It contains details about ingenious

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<v Speaker 3>ninja gadgets and equipment. It also contains different philosophies about

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<v Speaker 3>spying and infiltration. It makes an interesting distinction between what

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<v Speaker 3>it calls yonin and enin yonin meaning open infiltration, So

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<v Speaker 3>this would be sneaking into somewhere by wearing a disguise,

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<v Speaker 3>or being accepted by the target community, so you are

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<v Speaker 3>within view, but you are disguising your intentions in some way. Meanwhile,

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<v Speaker 3>en means invisibility or hiding, so this would be infiltration

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<v Speaker 3>by sneaking by night or hiding under floorboards.

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<v Speaker 2>And that's where we get into some of these the

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<v Speaker 2>elements of patients and endurance that we mentioned in the

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<v Speaker 2>last episode. I believe like if you're going to have

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<v Speaker 2>to hide under the floorboards for let's say forty eight hours,

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<v Speaker 2>you know you're going to have to use some schanobi patients.

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<v Speaker 2>That's right.

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<v Speaker 3>And that's one reason that there may not be as

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<v Speaker 3>much difference between the idea of practicing endurance or patients

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<v Speaker 3>and practicing stealth as you might originally think, like a

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<v Speaker 3>lot of stealth is patience. In fact, you could even

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<v Speaker 3>argue that the patience is very important when you are

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<v Speaker 3>just being accepted within a target community or in disguise. Right,

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<v Speaker 3>you've got to play the part for a long time

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<v Speaker 3>to sort of make people comfortable.

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<v Speaker 2>Yeah, yeah, you got to actually run that business, Like,

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<v Speaker 2>don't offer like really deep discounts. They're going to be suspicious.

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<v Speaker 2>Don't act like you're not interested in making a profit

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<v Speaker 2>one way or the other. Yeah, become a part of

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<v Speaker 2>the community and then betray them.

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<v Speaker 3>Another interesting thing about these ninjitsu manuals is the thing

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<v Speaker 3>that makes them really tempting to interpret is that sometimes

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<v Speaker 3>they might include explanations and references that seem kind of circumspect,

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<v Speaker 3>like they don't give all the details of what they're

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<v Speaker 3>talking about. And then sometimes they'll have a note like

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<v Speaker 3>additional information is only to be passed on by word

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<v Speaker 3>of mouth.

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<v Speaker 2>Oh boy, that sounds very shanobi.

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<v Speaker 3>Yeah. One random detail that I love, by the way,

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<v Speaker 3>just came across this in the book. This is about

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<v Speaker 3>the gun pogoshu. It's the claim that in the ancient past,

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<v Speaker 3>men of the regions Ega and Coca, which are places

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<v Speaker 3>in Japan that are they have long been claimed as

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<v Speaker 3>national headquarters of shnobi training. So the claim is that

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<v Speaker 3>these these ninja from Ega and Coca would travel as

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<v Speaker 3>secret agents, and while doing so, they would pose as yamabushi,

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<v Speaker 3>which means street performers such as monkey tamers. So like

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<v Speaker 3>the next time you see a busker playing a Goo

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<v Speaker 3>Goo Dolls song on the sidewalk, or you see a

0:13:01.160 --> 0:13:04.160
<v Speaker 3>guy dressed up as Superman in Times Square, you might

0:13:04.240 --> 0:13:07.480
<v Speaker 3>wonder is this a ninja? Is this person gathering intelligence?

0:13:08.679 --> 0:13:12.720
<v Speaker 3>Another interesting fact about the gun Pogoshu in particular is

0:13:12.760 --> 0:13:15.560
<v Speaker 3>that some of its espionage advice is given in the

0:13:15.600 --> 0:13:18.640
<v Speaker 3>form of a collection of poems, poems about spying.

0:13:19.320 --> 0:13:22.520
<v Speaker 2>Wow. Wow, that's fascinating that. Yeah, this goes hand in

0:13:22.559 --> 0:13:24.280
<v Speaker 2>hand with some of the things we've been talking about

0:13:24.320 --> 0:13:28.920
<v Speaker 2>about disguising yourself blending in. But I guess sometimes like

0:13:29.040 --> 0:13:32.560
<v Speaker 2>being the obnoxiously obvious person is also a way of

0:13:32.559 --> 0:13:36.040
<v Speaker 2>blending into the background, Like nobody suspects the like the

0:13:36.080 --> 0:13:38.800
<v Speaker 2>Time Square Elmo of Well, you may suspect the Times

0:13:38.800 --> 0:13:42.680
<v Speaker 2>Square Elmo of things, but probably not espionage, right.

0:13:42.920 --> 0:13:56.040
<v Speaker 3>Exactly anyway, So, with all the caveats we've previously established

0:13:56.080 --> 0:13:59.680
<v Speaker 3>about the historicity of what's in these manuals that, you know,

0:13:59.720 --> 0:14:03.520
<v Speaker 3>we might regard them with some historical skepticism. Nevertheless, they

0:14:03.559 --> 0:14:07.760
<v Speaker 3>do describe a lot of fascinating alleged tricks and tools

0:14:07.800 --> 0:14:11.559
<v Speaker 3>of ninjasu. So I think we should just dive right

0:14:11.600 --> 0:14:14.359
<v Speaker 3>in and talk about some alleged ninja techniques.

0:14:14.720 --> 0:14:16.280
<v Speaker 2>Yeah, I want to pick up talking a little a

0:14:16.280 --> 0:14:20.440
<v Speaker 2>bit about the female shanobi or the kuno ichi, which

0:14:20.480 --> 0:14:22.960
<v Speaker 2>I believe we mentioned in passing in the first episode.

0:14:23.360 --> 0:14:25.480
<v Speaker 2>You know, the idea that we could have have both

0:14:25.480 --> 0:14:31.000
<v Speaker 2>male and female ninja, and this does really stress the

0:14:31.000 --> 0:14:36.520
<v Speaker 2>the reality that that that shinobi activities would have covered

0:14:36.560 --> 0:14:39.680
<v Speaker 2>a lot of ground that isn't just concerned with assassination

0:14:40.080 --> 0:14:43.640
<v Speaker 2>or military and military and you know, direct military adjacent

0:14:43.640 --> 0:14:46.960
<v Speaker 2>combat adjacent activities, but get into all these areas of spycraft.

0:14:47.720 --> 0:14:51.240
<v Speaker 2>And there is apparently, according to Yoda and Alt in

0:14:51.400 --> 0:14:53.760
<v Speaker 2>their book on Ninja's that I that I cited in

0:14:53.800 --> 0:14:58.160
<v Speaker 2>the previous episodes, there's no evidence that female shanobi ever

0:14:58.280 --> 0:15:02.240
<v Speaker 2>engaged in combat, though of course there are historic examples

0:15:02.280 --> 0:15:06.200
<v Speaker 2>of Japanese women serving as warriors, such as tome Gozen

0:15:06.480 --> 0:15:09.600
<v Speaker 2>of the late twelfth century. So again not saying they

0:15:09.600 --> 0:15:13.880
<v Speaker 2>weren't female warriors in Japanese history, and even that there

0:15:13.920 --> 0:15:18.240
<v Speaker 2>weren't female shannoby operatives who engaged in combat, but there's

0:15:18.240 --> 0:15:23.880
<v Speaker 2>no evidence of such, but there are writings about female

0:15:24.000 --> 0:15:28.120
<v Speaker 2>shinobi operatives, and this makes sense for reasons we already

0:15:28.120 --> 0:15:30.840
<v Speaker 2>stress like if you were going to engage in spycraft,

0:15:31.240 --> 0:15:34.320
<v Speaker 2>you're you're going to take advantage of whatever tools are

0:15:34.320 --> 0:15:36.200
<v Speaker 2>at your disposal. And there are going to be certain

0:15:36.720 --> 0:15:40.720
<v Speaker 2>segments of society through which females are going to be

0:15:40.720 --> 0:15:42.760
<v Speaker 2>able to travel with a little more ease or a

0:15:42.760 --> 0:15:47.520
<v Speaker 2>little less notice and there, and as we mentioned last time,

0:15:47.560 --> 0:15:52.800
<v Speaker 2>there is at least one named female ninja Mochizuki chi Yojo,

0:15:53.160 --> 0:15:56.760
<v Speaker 2>and this individual is still somewhat of a mystery. There

0:15:56.800 --> 0:15:59.760
<v Speaker 2>are some arguments that she didn't exist at all, but

0:16:00.160 --> 0:16:03.720
<v Speaker 2>to an all lister existence as confirmed, so I guess

0:16:03.720 --> 0:16:06.600
<v Speaker 2>there is a certain amount of evidence on one side

0:16:06.600 --> 0:16:08.960
<v Speaker 2>of the argument to say that this person did exist

0:16:09.040 --> 0:16:12.800
<v Speaker 2>in some form. Assuming she did exist, however, she would

0:16:12.840 --> 0:16:15.800
<v Speaker 2>have been like a poet, a noble woman, and it's

0:16:15.960 --> 0:16:19.320
<v Speaker 2>said that she was affiliated with the Takata samurai clan

0:16:19.440 --> 0:16:22.480
<v Speaker 2>and to have presided over a team of the uruki

0:16:22.520 --> 0:16:25.240
<v Speaker 2>miko or walking maidens, so she would have kind of

0:16:25.320 --> 0:16:29.320
<v Speaker 2>like been a spymaster of female shanobi and so on

0:16:29.360 --> 0:16:31.720
<v Speaker 2>the realistic end of things. If there's truth to any

0:16:31.800 --> 0:16:34.640
<v Speaker 2>of this, whether we were dealing with the specifics of

0:16:34.680 --> 0:16:37.440
<v Speaker 2>this individual or just the general idea that there were

0:16:37.680 --> 0:16:42.360
<v Speaker 2>female spy operatives in Japan during the Warring States period,

0:16:42.400 --> 0:16:45.680
<v Speaker 2>just as there have been female spy operatives in pretty

0:16:45.720 --> 0:16:47.600
<v Speaker 2>much every culture. I think every culture, I think we're

0:16:47.600 --> 0:16:50.840
<v Speaker 2>going to be a safe assumption these would have been

0:16:51.880 --> 0:16:56.840
<v Speaker 2>female operatives who could travel around, often as Shinto holy women,

0:16:57.360 --> 0:17:02.560
<v Speaker 2>as entertainers, or perhaps prostitutots. Now on the legendary end

0:17:02.600 --> 0:17:06.159
<v Speaker 2>of the spectrum, however, female shenobi were often imbued with

0:17:06.280 --> 0:17:10.160
<v Speaker 2>various powers that were linked to female sexuality and reproduction,

0:17:10.320 --> 0:17:12.919
<v Speaker 2>and a lot of this has much in common with

0:17:13.080 --> 0:17:16.560
<v Speaker 2>various witchlike belief systems from around the world, you know,

0:17:16.640 --> 0:17:20.679
<v Speaker 2>even getting into ideas of like the monstrous feminine, you know,

0:17:20.760 --> 0:17:23.760
<v Speaker 2>the the other ing of of the female and taking

0:17:23.800 --> 0:17:27.600
<v Speaker 2>aspects of reproduction and sexuality and tweaking them into the

0:17:27.880 --> 0:17:32.040
<v Speaker 2>you know, the demonic realm and so forth. But this

0:17:32.119 --> 0:17:34.800
<v Speaker 2>also put me very much in mind of the benajesrit

0:17:34.880 --> 0:17:39.000
<v Speaker 2>from Frank Herbert's done as well as their later series counterparts,

0:17:39.640 --> 0:17:43.359
<v Speaker 2>the Honored Matre, were kind of like a splinter of

0:17:43.400 --> 0:17:46.840
<v Speaker 2>the benajestert who are their opposition. So I wanted to

0:17:46.920 --> 0:17:50.080
<v Speaker 2>run through some of the powers and abilities attributed to them, again,

0:17:50.160 --> 0:17:55.280
<v Speaker 2>we're dealing very much with the legendary supernatural end of

0:17:55.320 --> 0:17:59.400
<v Speaker 2>the of the the ninja pop cultural world here and

0:17:59.440 --> 0:18:03.680
<v Speaker 2>not his reality. Though perhaps you know, if you read

0:18:03.720 --> 0:18:06.720
<v Speaker 2>between the lines, you can sort of see like realistic spycraft,

0:18:08.320 --> 0:18:10.120
<v Speaker 2>you know, at the heart of some of these legends.

0:18:10.400 --> 0:18:13.040
<v Speaker 2>So according to Joda and All, there were several abilities

0:18:13.160 --> 0:18:15.880
<v Speaker 2>that were said to be linked to conception, such as

0:18:16.119 --> 0:18:18.719
<v Speaker 2>the power to remove an unborn child from the womb,

0:18:19.119 --> 0:18:22.720
<v Speaker 2>change its features, and then return it to the womb.

0:18:23.560 --> 0:18:26.399
<v Speaker 2>Also the transfer of an unborn child from one woman

0:18:26.440 --> 0:18:30.800
<v Speaker 2>to another, and the ability for female shinobi to choose

0:18:30.800 --> 0:18:33.679
<v Speaker 2>to have a baby with any partner they've slept with

0:18:33.760 --> 0:18:36.840
<v Speaker 2>over the last ten months. This last one I found

0:18:36.880 --> 0:18:41.840
<v Speaker 2>pretty interesting because some organisms actually do engage in female

0:18:41.880 --> 0:18:45.160
<v Speaker 2>sperm storage, a form of sexual selection by which sperm

0:18:45.200 --> 0:18:47.959
<v Speaker 2>cells are retained by the receiving female for a period,

0:18:48.200 --> 0:18:51.800
<v Speaker 2>sometimes a prolong period of time before using said sperm.

0:18:52.359 --> 0:18:55.080
<v Speaker 2>Human beings do not do this, but you do find

0:18:55.160 --> 0:18:57.560
<v Speaker 2>some organisms that do.

0:18:57.760 --> 0:18:59.200
<v Speaker 3>I recall reading about sharks.

0:18:59.480 --> 0:19:05.320
<v Speaker 2>Yes, yes, sharks are a great example, and yeah, sometimes

0:19:05.320 --> 0:19:10.000
<v Speaker 2>this involves post copulatory cryptic female choice. I believes the

0:19:10.080 --> 0:19:15.640
<v Speaker 2>terminology via various methods. So it is interesting that, yeah,

0:19:15.680 --> 0:19:20.119
<v Speaker 2>this is a supposed ability of legendary mythic female ninja,

0:19:20.200 --> 0:19:23.439
<v Speaker 2>but you have to go into the animal world to

0:19:23.520 --> 0:19:26.640
<v Speaker 2>find examples of it in reality. Now, it should also

0:19:26.680 --> 0:19:28.720
<v Speaker 2>come as no surprise, given the sort of fem fatale

0:19:28.800 --> 0:19:31.879
<v Speaker 2>nature of female ninja and pop culture, that some of

0:19:31.880 --> 0:19:36.040
<v Speaker 2>their weapons are related to seduction and sex. If go

0:19:36.040 --> 0:19:39.040
<v Speaker 2>ahead and maybe skip fifteen seconds of this if you

0:19:39.080 --> 0:19:42.879
<v Speaker 2>just want to skip the very mild details here, but

0:19:43.240 --> 0:19:46.720
<v Speaker 2>here they are. They include death by orgasm, death by

0:19:46.760 --> 0:19:51.160
<v Speaker 2>reversing the male's reproductive ejection, shall we say, back into

0:19:51.240 --> 0:19:54.520
<v Speaker 2>his body, killing him in the process. And then there's

0:19:54.520 --> 0:19:58.240
<v Speaker 2>the technique where they seduce a man so hard that

0:19:58.320 --> 0:20:01.720
<v Speaker 2>he's mentally turned into an infant. Hmmm, great trick if

0:20:01.720 --> 0:20:02.360
<v Speaker 2>you can put it off.

0:20:02.600 --> 0:20:03.760
<v Speaker 3>Yeah.

0:20:03.960 --> 0:20:06.480
<v Speaker 2>Now, I'm not sure that Frank Herbert was directly inspired

0:20:06.480 --> 0:20:08.280
<v Speaker 2>by any of this, and if I had to guess,

0:20:08.280 --> 0:20:10.480
<v Speaker 2>I would say he was probably not. But I have

0:20:10.640 --> 0:20:13.600
<v Speaker 2>read that he did study Japanese and Chinese culture, among

0:20:13.920 --> 0:20:16.439
<v Speaker 2>you know, so many other things, so it's not impossible

0:20:16.480 --> 0:20:18.920
<v Speaker 2>that he got some inspiration from all of this, and

0:20:19.080 --> 0:20:24.680
<v Speaker 2>certainly like some of these the detailed classifications of spycraft.

0:20:25.280 --> 0:20:28.679
<v Speaker 2>We do see these reflected in the Dune series. You know,

0:20:28.680 --> 0:20:33.720
<v Speaker 2>it's just thinking earlier about the Hearkenans hiding somebody away

0:20:34.080 --> 0:20:38.880
<v Speaker 2>in the walls in Araken as as an assassination attempt

0:20:38.880 --> 0:20:40.960
<v Speaker 2>on the royal household. You know, there's somebody who was

0:20:41.000 --> 0:20:43.600
<v Speaker 2>like locked up for days or whatnot. You know, so

0:20:44.720 --> 0:20:47.320
<v Speaker 2>who knows, maybe he was inspired by it, maybe not.

0:20:47.840 --> 0:20:51.600
<v Speaker 2>Now for other magical arts attributed to the ninja, well

0:20:51.600 --> 0:20:55.480
<v Speaker 2>we've already mentioned the fictional phantom toad summoning of Juriah,

0:20:56.200 --> 0:20:58.800
<v Speaker 2>but there are some other interesting ones as well, and

0:20:59.000 --> 0:21:01.119
<v Speaker 2>Yoda and all mentions these, and again not all of

0:21:01.160 --> 0:21:04.800
<v Speaker 2>these are definitely classified as ninja or shnoby, but a

0:21:04.840 --> 0:21:07.760
<v Speaker 2>lot of them are kind of shinnobi adjacent. And then

0:21:07.840 --> 0:21:10.160
<v Speaker 2>again you have to think about the fact that as

0:21:10.880 --> 0:21:15.920
<v Speaker 2>ninja myths in the popular culture kind of coalesce, they're

0:21:15.920 --> 0:21:19.920
<v Speaker 2>going to draw in multiple things. So one figure worth

0:21:19.920 --> 0:21:25.040
<v Speaker 2>looking at is sixteenth century sage Kashin Kogi. Not a ninja,

0:21:25.200 --> 0:21:28.719
<v Speaker 2>more of a wizard attributed with various acts of illusion

0:21:28.920 --> 0:21:33.080
<v Speaker 2>and shape shifting, so he would do things like allegedly

0:21:33.119 --> 0:21:36.640
<v Speaker 2>throw leaves into the water and make them turn into fish.

0:21:36.680 --> 0:21:39.640
<v Speaker 2>Various other entertaining illusions that are maybe not that far

0:21:39.760 --> 0:21:44.240
<v Speaker 2>removed from the idea of somebody doing little illusionary tricks

0:21:44.640 --> 0:21:46.520
<v Speaker 2>on the sidewalk or in a subway station.

0:21:46.920 --> 0:21:47.960
<v Speaker 3>Oh that's interesting.

0:21:48.160 --> 0:21:51.639
<v Speaker 2>Yeah, but yeah, he was according to legend, he was

0:21:51.680 --> 0:21:55.600
<v Speaker 2>something of a trickster for sure. For instance, there's this

0:21:55.680 --> 0:21:58.840
<v Speaker 2>story that he painted a detailed illustration of the torments

0:21:58.880 --> 0:22:01.600
<v Speaker 2>of Hell that when you looked at it, it seemed

0:22:01.640 --> 0:22:05.080
<v Speaker 2>animated to the naked eye, So you know, do with

0:22:05.160 --> 0:22:07.560
<v Speaker 2>that way you will. Maybe it was just like really detailed.

0:22:07.760 --> 0:22:11.239
<v Speaker 2>Maybe there was some sort of effect involved, or it

0:22:11.280 --> 0:22:14.560
<v Speaker 2>was magic. You know, he's a magical painter, and it

0:22:14.600 --> 0:22:16.960
<v Speaker 2>looks like it moves like, you know, Harry Potter style

0:22:17.080 --> 0:22:19.639
<v Speaker 2>or something, and everybody was really impressed by it, and

0:22:19.680 --> 0:22:22.240
<v Speaker 2>in fact, the powerful daimyo some called him the demon

0:22:22.320 --> 0:22:27.440
<v Speaker 2>Daimyo Nabunaga, insisted on buying it, and the negotiations apparently

0:22:27.440 --> 0:22:31.560
<v Speaker 2>included at least one assassination attempt on the artist, and

0:22:32.040 --> 0:22:36.000
<v Speaker 2>you know, but Cogie stuck to his guns and finally

0:22:36.040 --> 0:22:38.399
<v Speaker 2>agreed to sell it for just a crazy sum, just

0:22:39.400 --> 0:22:41.880
<v Speaker 2>I don't know how much, but a lot, at which

0:22:41.920 --> 0:22:46.720
<v Speaker 2>point the art suddenly lost its animated magic, and Nabonica

0:22:46.760 --> 0:22:49.960
<v Speaker 2>is like, what happened? Why is it not moving anymore?

0:22:49.960 --> 0:22:53.240
<v Speaker 2>Why is it not you knows as amazing as was previously,

0:22:53.560 --> 0:22:56.320
<v Speaker 2>And He's like, well, it used to be priceless, but

0:22:56.640 --> 0:22:58.640
<v Speaker 2>then we agreed on a price, and so the quality

0:22:58.680 --> 0:23:02.000
<v Speaker 2>of the piece adjusted to that sounds like a great

0:23:02.000 --> 0:23:03.679
<v Speaker 2>way to get beheaded. But I don't know. You know,

0:23:03.720 --> 0:23:06.320
<v Speaker 2>that's the thing about being a trickster, daring, trickster wizard.

0:23:06.400 --> 0:23:07.880
<v Speaker 2>You can pull these things off.

0:23:07.880 --> 0:23:11.720
<v Speaker 3>I guess artists in the audience remember this negotiating.

0:23:11.160 --> 0:23:14.200
<v Speaker 2>Technique again, Yeah, yeah, try and pull that one off.

0:23:14.480 --> 0:23:16.960
<v Speaker 2>So Koji again not a ninja, but a figure that

0:23:17.000 --> 0:23:21.119
<v Speaker 2>crosses over with some of the attributed magics of the ninja,

0:23:21.600 --> 0:23:24.199
<v Speaker 2>and as a pop culture figure, he does pop up

0:23:24.200 --> 0:23:27.000
<v Speaker 2>in a lot of ninja media, such as nineteen eighty

0:23:27.000 --> 0:23:31.480
<v Speaker 2>two's Ninja Wars aka Death of a Ninja starring hero

0:23:31.560 --> 0:23:34.720
<v Speaker 2>Yuki Sonata, a major actor who would go on to

0:23:34.840 --> 0:23:37.120
<v Speaker 2>of course have a starring role in the recent Showgun

0:23:37.160 --> 0:23:40.280
<v Speaker 2>series on FX, but also he played Scorpion in the

0:23:40.359 --> 0:23:43.720
<v Speaker 2>Ninja in one of those in that recent Mortal Kombat film,

0:23:43.800 --> 0:23:47.400
<v Speaker 2>so definitely a figure that has immersed in the Ninja lore,

0:23:47.440 --> 0:23:48.920
<v Speaker 2>and I think he's popped up in a film or

0:23:48.920 --> 0:23:52.600
<v Speaker 2>two for Weird House Cinema, great actor. I have not

0:23:52.680 --> 0:23:54.920
<v Speaker 2>seen Ninja Wars, though, so I can't really vouch for it.

0:23:55.440 --> 0:23:59.399
<v Speaker 2>All right, Shall we get into some more alleged ninja

0:23:59.400 --> 0:24:00.760
<v Speaker 2>technology of note?

0:24:01.040 --> 0:24:02.479
<v Speaker 3>Yes, absolutely so.

0:24:02.520 --> 0:24:05.680
<v Speaker 2>As we previously discussed, the modern trope of the ninja

0:24:05.880 --> 0:24:08.840
<v Speaker 2>typically involves their use of a traditional martial art that

0:24:08.920 --> 0:24:12.919
<v Speaker 2>prioritizes medieval weaponry. Right, so these ninjas will use a

0:24:13.000 --> 0:24:16.399
<v Speaker 2>schuriken to bypass a security panel. They will kill a

0:24:16.480 --> 0:24:19.080
<v Speaker 2>robot with a sword, right, you know exactly what I'm

0:24:19.080 --> 0:24:19.920
<v Speaker 2>getting at here? Oh?

0:24:19.960 --> 0:24:20.840
<v Speaker 3>Yes, Yeah.

0:24:20.960 --> 0:24:24.160
<v Speaker 2>In reality, though, as we've been stressing, the Shanobi would

0:24:24.200 --> 0:24:27.080
<v Speaker 2>have used whatever tools were necessary and available to them,

0:24:27.119 --> 0:24:31.080
<v Speaker 2>including what was essentially cutting edge technology, like the latest

0:24:31.119 --> 0:24:34.880
<v Speaker 2>in explosives, the latest in chemistry, the latest in firearms.

0:24:35.320 --> 0:24:37.840
<v Speaker 2>And so we do have some examples of this sort

0:24:37.840 --> 0:24:41.679
<v Speaker 2>of thing. Again, with the huge caveat that, we have

0:24:41.720 --> 0:24:45.639
<v Speaker 2>a lot of crossing of history and legend here. But

0:24:46.160 --> 0:24:52.280
<v Speaker 2>fifteenth century Shnobi commander mochiuki Izumo Nokami is said to

0:24:52.359 --> 0:24:57.960
<v Speaker 2>have utilized smoke bombs, pyrotechnics, code signals, and some form

0:24:58.000 --> 0:25:01.399
<v Speaker 2>of weather prediction. And I'm not sure to what extent

0:25:01.440 --> 0:25:06.000
<v Speaker 2>we're talking about weather prediction that based on like acceptable

0:25:06.080 --> 0:25:08.240
<v Speaker 2>models and methods or something that was maybe a little

0:25:08.240 --> 0:25:12.760
<v Speaker 2>more supernatural in form, but you know, both are likely

0:25:12.840 --> 0:25:13.760
<v Speaker 2>to some degree.

0:25:14.000 --> 0:25:16.679
<v Speaker 3>Yeah, remember some of these Ninjasu manuals did involve like

0:25:16.760 --> 0:25:18.200
<v Speaker 3>divination and astrology.

0:25:18.560 --> 0:25:21.199
<v Speaker 2>Yeah, and so ninja throughout the centuries were said to

0:25:21.400 --> 0:25:25.840
<v Speaker 2>use nouroshi no jutsu smoke bombs, though Yoda and All

0:25:25.880 --> 0:25:29.440
<v Speaker 2>stress that these were likely quote carefully placed in ignited

0:25:29.520 --> 0:25:33.560
<v Speaker 2>smoke pots, given the limited pyrotechnic abilities of the time,

0:25:34.359 --> 0:25:36.400
<v Speaker 2>and that also they would use things that we would

0:25:36.400 --> 0:25:39.400
<v Speaker 2>think of as just simple firecrackers to serve as distractions,

0:25:39.440 --> 0:25:42.280
<v Speaker 2>you know, set off a little pop over here, just

0:25:42.400 --> 0:25:44.560
<v Speaker 2>enough distraction to do whatever it is you need to do,

0:25:44.920 --> 0:25:48.879
<v Speaker 2>be that something more pop culture ninja ish, as sneak

0:25:48.960 --> 0:25:51.800
<v Speaker 2>from one point to another or you know, switch out

0:25:51.800 --> 0:25:54.000
<v Speaker 2>a piece of paper in an office, that sort of thing.

0:25:55.440 --> 0:25:58.120
<v Speaker 2>But yeah, the smoke bombs, of course, are a huge

0:25:58.119 --> 0:25:59.720
<v Speaker 2>part of the ninja myth, and they spill over into

0:25:59.720 --> 0:26:02.320
<v Speaker 2>Batman as well. Like Batman's always throwing smoke bombs and

0:26:02.320 --> 0:26:07.080
<v Speaker 2>disappearing right, and the reality is maybe less as instantly

0:26:07.480 --> 0:26:11.239
<v Speaker 2>dramatic as that. It might have been more something that

0:26:11.400 --> 0:26:14.080
<v Speaker 2>involved like placing something, lighting it and waiting for the

0:26:14.080 --> 0:26:18.000
<v Speaker 2>smoke to build up. Right. Now, getting into the use

0:26:18.200 --> 0:26:22.360
<v Speaker 2>of weaponry, we have the example of sixteenth century assassin

0:26:22.880 --> 0:26:27.280
<v Speaker 2>of Sujatini Zunjuvo, and he is noted for his use

0:26:27.320 --> 0:26:31.119
<v Speaker 2>of the Japanese matchlock rifle. So this is an individual

0:26:31.200 --> 0:26:37.639
<v Speaker 2>that was definitely an assassin, definitely an attempted assassin, definitely

0:26:37.880 --> 0:26:41.640
<v Speaker 2>a marksman. Was he a Shinobi, I don't know. I'm

0:26:41.640 --> 0:26:43.280
<v Speaker 2>not as sure on that. I think you could say

0:26:43.280 --> 0:26:46.280
<v Speaker 2>that he definitely engaged in a major Shnobi activity, though

0:26:47.000 --> 0:26:49.960
<v Speaker 2>this was apparently a Kdo clan marksman task with the

0:26:50.000 --> 0:26:55.800
<v Speaker 2>assassination of Oda Nobunaga himself, a local warlord was said

0:26:55.800 --> 0:26:57.720
<v Speaker 2>to have hired him for the task and provided with

0:26:57.840 --> 0:27:01.720
<v Speaker 2>key intel about Nabonaga's scheduled brands that through a particular

0:27:01.800 --> 0:27:04.760
<v Speaker 2>pass in Omi. This would have been on May nineteenth,

0:27:05.000 --> 0:27:08.960
<v Speaker 2>fifteen seventy, so you know, basic you know, sort of

0:27:09.000 --> 0:27:13.120
<v Speaker 2>sniper operations here. He set up a position days in advance,

0:27:13.560 --> 0:27:16.080
<v Speaker 2>using like the patience of the shnobe, if nothing else

0:27:16.640 --> 0:27:20.840
<v Speaker 2>until okay, here it comes the retinue. Here comes Tobunuga

0:27:21.000 --> 0:27:24.520
<v Speaker 2>in armor on his on his steed, accompanied by all

0:27:24.560 --> 0:27:28.840
<v Speaker 2>of his men, and our would be assassin. Here Zenjubo

0:27:29.400 --> 0:27:32.200
<v Speaker 2>knows that he really only has one shot. You know,

0:27:32.480 --> 0:27:36.440
<v Speaker 2>this is this is a matchlock rifle. You know, he's

0:27:36.520 --> 0:27:40.040
<v Speaker 2>not rapid fire. He's going to get one shot off

0:27:40.320 --> 0:27:42.200
<v Speaker 2>and then it's going to be so loud and it's

0:27:42.200 --> 0:27:45.199
<v Speaker 2>going to produce a discharge of smoke and he's not like,

0:27:45.280 --> 0:27:47.960
<v Speaker 2>you know, miles away or anything. So he knows that

0:27:48.040 --> 0:27:51.360
<v Speaker 2>the instant he fires this shot, they're going to mark

0:27:51.400 --> 0:27:54.639
<v Speaker 2>his position, and so he needs to he needs to

0:27:54.680 --> 0:27:56.760
<v Speaker 2>make sure that that shot lands home or he's going

0:27:56.840 --> 0:27:58.480
<v Speaker 2>to have to like try and get off a second

0:27:58.520 --> 0:28:01.920
<v Speaker 2>one if he can. So he fires the shot, knocks

0:28:01.920 --> 0:28:05.640
<v Speaker 2>Innabunika from his horse, but as it turns out, does

0:28:05.680 --> 0:28:08.240
<v Speaker 2>not kill him because the collar armor that he's wearing

0:28:08.320 --> 0:28:13.199
<v Speaker 2>absorbs the shot. So Zenjubo flees. He hides that he

0:28:13.280 --> 0:28:17.760
<v Speaker 2>is eventually caught and subjected to slow execution. I believe

0:28:17.880 --> 0:28:19.840
<v Speaker 2>the story is that they buried him up to his

0:28:19.920 --> 0:28:22.120
<v Speaker 2>neck in the sand and like sawed his head off.

0:28:22.480 --> 0:28:22.760
<v Speaker 3>Wow.

0:28:23.160 --> 0:28:26.240
<v Speaker 2>Now it was worth noting that snipers then and now

0:28:27.200 --> 0:28:31.280
<v Speaker 2>sometimes utilized breathing techniques to steady one's aim in. Various

0:28:31.320 --> 0:28:33.600
<v Speaker 2>breathing techniques and things that you could also think of

0:28:33.640 --> 0:28:36.919
<v Speaker 2>as like self hypnosis have also been attributed to the

0:28:36.960 --> 0:28:41.640
<v Speaker 2>shnobi in general to aid in stealth or patience. Now,

0:28:41.680 --> 0:28:43.720
<v Speaker 2>at this point, let's come back to the idea of

0:28:43.760 --> 0:28:46.959
<v Speaker 2>a ninja sword, something that is just inseparable from the

0:28:47.000 --> 0:28:51.400
<v Speaker 2>modern myth of the ninja. In fact, we already in

0:28:51.480 --> 0:28:54.400
<v Speaker 2>passing I think, talked about teenage mutant ninja turtles with katana.

0:28:54.960 --> 0:28:58.200
<v Speaker 2>You know, like, if you're gonna make turtles into ninjas,

0:28:58.240 --> 0:29:00.720
<v Speaker 2>you give one of them swords. Just what you do.

0:29:01.040 --> 0:29:03.120
<v Speaker 2>And we actually heard from at least one listener who

0:29:03.120 --> 0:29:04.920
<v Speaker 2>wrote in and was like, oh yeah, there's actually the

0:29:04.960 --> 0:29:09.239
<v Speaker 2>whole thing about the ninja having a specific sword, the

0:29:09.280 --> 0:29:15.479
<v Speaker 2>shoby katana. But as this listener pointed out, and as

0:29:15.800 --> 0:29:18.400
<v Speaker 2>is discussed in the text we were working from, this

0:29:18.520 --> 0:29:22.400
<v Speaker 2>sword's exact form is at least a matter of some controversy.

0:29:22.800 --> 0:29:25.800
<v Speaker 2>There are a lot of strong arguments that this sword

0:29:25.880 --> 0:29:29.280
<v Speaker 2>never existed at all. This is one of those examples

0:29:29.320 --> 0:29:32.680
<v Speaker 2>where we don't see mention of it in the historic

0:29:32.800 --> 0:29:38.360
<v Speaker 2>ninja guide books and instruction manuals. There's a very strong

0:29:38.440 --> 0:29:43.040
<v Speaker 2>argument that these were created entirely in the twentieth century,

0:29:43.320 --> 0:29:45.520
<v Speaker 2>though again, this is certainly something where then you can

0:29:45.560 --> 0:29:47.920
<v Speaker 2>go around and buy one at a mall in like Wisconsin.

0:29:48.040 --> 0:29:51.360
<v Speaker 2>So you can argue that while the shinobi katana exists,

0:29:51.360 --> 0:29:53.800
<v Speaker 2>now you see it in movies and you can buy

0:29:53.840 --> 0:29:59.080
<v Speaker 2>one at the mall. But let's get into the idea

0:29:59.120 --> 0:30:01.160
<v Speaker 2>of it, at least the myth of it. The idea

0:30:01.200 --> 0:30:03.840
<v Speaker 2>is that this would be a short straight blade with

0:30:03.920 --> 0:30:06.640
<v Speaker 2>a pointed scabbard, So the scabbard has a point at

0:30:06.640 --> 0:30:10.240
<v Speaker 2>the end and also a simple square guard you know,

0:30:10.280 --> 0:30:13.280
<v Speaker 2>at the between the hilt and the blade, and the

0:30:13.320 --> 0:30:15.680
<v Speaker 2>aspects of its design were said to be very practical

0:30:15.880 --> 0:30:18.600
<v Speaker 2>for the ninja. So the pointed scabbard allowed it to

0:30:18.640 --> 0:30:21.000
<v Speaker 2>be driven into the ground so it could be he

0:30:21.000 --> 0:30:24.480
<v Speaker 2>could serve as a footstool to aid in climbing. I

0:30:24.480 --> 0:30:27.640
<v Speaker 2>think there's some other stories about the scabbard being used

0:30:27.680 --> 0:30:29.760
<v Speaker 2>as like a breathing tube if an engine needed to

0:30:29.920 --> 0:30:33.080
<v Speaker 2>go into water. I'm not sure why that is would

0:30:33.120 --> 0:30:35.800
<v Speaker 2>be more effective than having a breathing tube on you

0:30:35.960 --> 0:30:37.160
<v Speaker 2>or using a reed or something.

0:30:37.600 --> 0:30:40.560
<v Speaker 3>Yeah, trying to imagine now. I think the idea with

0:30:40.640 --> 0:30:43.520
<v Speaker 3>the scabbard is that you wouldn't you could stab it

0:30:43.600 --> 0:30:47.000
<v Speaker 3>into the ground within its scabbard and then stand on

0:30:47.040 --> 0:30:49.080
<v Speaker 3>the hilt of the sword to like hop over a

0:30:49.120 --> 0:30:51.080
<v Speaker 3>wall and then like pull it up by a rope.

0:30:52.640 --> 0:30:54.240
<v Speaker 3>That's the idea, because I guess if you were to

0:30:54.240 --> 0:30:56.760
<v Speaker 3>stab the blade of the sword into the ground that

0:30:56.880 --> 0:31:00.240
<v Speaker 3>the ideas that would dull it. But I'd also seen

0:31:00.320 --> 0:31:04.120
<v Speaker 3>something about just generally using the scabbard of this sword

0:31:04.160 --> 0:31:07.480
<v Speaker 3>as a kind of like a feeler, like an untinnee

0:31:07.560 --> 0:31:08.200
<v Speaker 3>in the dark.

0:31:08.720 --> 0:31:11.360
<v Speaker 2>Yeah, the idea that you would kind of like partially

0:31:11.440 --> 0:31:14.400
<v Speaker 2>unsheathe your sword, hold it out in front of you,

0:31:14.960 --> 0:31:17.400
<v Speaker 2>and if you like tapped into something, you're like, oh,

0:31:17.440 --> 0:31:19.000
<v Speaker 2>there's a person there, and then you can pull your

0:31:19.040 --> 0:31:22.000
<v Speaker 2>sword out and like slash them or something. I think

0:31:22.000 --> 0:31:24.000
<v Speaker 2>it's been referred to as like a person detector or

0:31:24.040 --> 0:31:26.880
<v Speaker 2>a people detector. And of course there's the other obvious

0:31:26.920 --> 0:31:30.360
<v Speaker 2>idea that if you're doing some sneaking around and potentially

0:31:30.520 --> 0:31:34.000
<v Speaker 2>using that weapon in a confined space, it pays for

0:31:34.080 --> 0:31:36.280
<v Speaker 2>your sword to be short as opposed to being some

0:31:36.320 --> 0:31:39.200
<v Speaker 2>sort of like a longer sword, So this would be

0:31:39.320 --> 0:31:43.000
<v Speaker 2>in keeping with operations that require disguise and so forth

0:31:43.200 --> 0:31:46.760
<v Speaker 2>easier to hide, easier to carry, and all that. So again,

0:31:46.960 --> 0:31:49.080
<v Speaker 2>very strong argument to be made that these were just

0:31:49.080 --> 0:31:52.880
<v Speaker 2>invented in the twentieth century as part of outright ninja

0:31:52.920 --> 0:31:56.640
<v Speaker 2>fiction and myth making. But something that Yoda and All

0:31:56.640 --> 0:31:59.320
<v Speaker 2>point out is that, Okay, if these swords did exist,

0:32:00.280 --> 0:32:02.440
<v Speaker 2>which depending on where you land on this could be

0:32:02.440 --> 0:32:05.960
<v Speaker 2>a huge if they would have been very simple, they

0:32:06.000 --> 0:32:08.520
<v Speaker 2>wouldn't have been ornate because they would not have been

0:32:08.600 --> 0:32:13.120
<v Speaker 2>forged by a master swordsmith, one of these individuals responsible

0:32:13.160 --> 0:32:18.560
<v Speaker 2>for the just the elegant superiority of the noble samurai sword.

0:32:18.920 --> 0:32:21.240
<v Speaker 2>But or rather, these would have been made by blacksmiths

0:32:21.560 --> 0:32:24.400
<v Speaker 2>in the country, probably who were willing to take a

0:32:24.480 --> 0:32:28.640
<v Speaker 2>risk making an illegal sword. M because remember, your average

0:32:28.640 --> 0:32:32.120
<v Speaker 2>shenobi here is not, if not an actual criminal, is

0:32:32.160 --> 0:32:35.240
<v Speaker 2>at least a common born person, and it was illegal

0:32:35.520 --> 0:32:38.840
<v Speaker 2>for commoners to own a weapon of any kind. So

0:32:38.960 --> 0:32:42.600
<v Speaker 2>these would have been dirty weapons made for dirty practitioners

0:32:43.160 --> 0:32:46.560
<v Speaker 2>of the sketchy arts. Yeah, and I think we also

0:32:46.680 --> 0:32:49.240
<v Speaker 2>might want to consider it questions of necessity, Right, would

0:32:49.240 --> 0:32:52.640
<v Speaker 2>is Shenoby operative need a sword, because even a small

0:32:52.680 --> 0:32:57.400
<v Speaker 2>sword is fairly sizable, and especially if you consider, well,

0:32:57.840 --> 0:32:59.160
<v Speaker 2>what are you going to use it for? Are you

0:32:59.160 --> 0:33:01.840
<v Speaker 2>gonna are you gonna engage in a sword fight? Probably not.

0:33:03.280 --> 0:33:05.240
<v Speaker 2>And if you do need some sort of a sharp

0:33:05.240 --> 0:33:08.520
<v Speaker 2>object as a weapon or a tool, well, there are

0:33:08.520 --> 0:33:12.000
<v Speaker 2>other choices you could make, such as a common field knife,

0:33:12.680 --> 0:33:17.000
<v Speaker 2>some other kind of like sharpened tool that on one hand,

0:33:17.160 --> 0:33:20.200
<v Speaker 2>maybe doesn't constitute a full weapon, and so for you're

0:33:20.200 --> 0:33:22.680
<v Speaker 2>not like you're not going to be found out immediately

0:33:22.720 --> 0:33:24.440
<v Speaker 2>just because you have it on your person, but the

0:33:24.520 --> 0:33:27.520
<v Speaker 2>kind of thing that could be used as a weapon

0:33:28.360 --> 0:33:31.680
<v Speaker 2>if things got dire, and in the cases where they

0:33:31.680 --> 0:33:34.480
<v Speaker 2>did use swords, yeah, we're probably talking about the equivalent

0:33:34.480 --> 0:33:46.080
<v Speaker 2>of some sort of like a black market sword. Now,

0:33:46.160 --> 0:33:50.080
<v Speaker 2>these again are all like pretty standard pop culture ninja weapons,

0:33:50.080 --> 0:33:53.840
<v Speaker 2>though I think it's even more fun to get into

0:33:53.840 --> 0:33:58.040
<v Speaker 2>some of the perhaps weirder technologies that ninja are held

0:33:58.080 --> 0:33:59.040
<v Speaker 2>to have utilized.

0:33:59.520 --> 0:34:03.680
<v Speaker 3>Right, I think it's time to talk about misugumo. Misugumo

0:34:04.160 --> 0:34:08.640
<v Speaker 3>is a device described in the sixth volume of the

0:34:08.760 --> 0:34:13.400
<v Speaker 3>seventeenth century ninjitsu manual Mansen Chu Kai, which I mentioned earlier,

0:34:13.800 --> 0:34:17.200
<v Speaker 3>and the sixth volume is sort of a It describes

0:34:17.280 --> 0:34:20.480
<v Speaker 3>various pieces of ninjitsu equipment and gadget It's kind of

0:34:20.520 --> 0:34:25.200
<v Speaker 3>a ce branch compendium. Now, when it comes to the misugumo,

0:34:25.880 --> 0:34:29.040
<v Speaker 3>there is a way in which it has commonly been

0:34:29.200 --> 0:34:33.359
<v Speaker 3>interpreted in twentieth century sources, and then there is a

0:34:33.560 --> 0:34:37.200
<v Speaker 3>revisionist understanding of it, which I think seems much more

0:34:37.320 --> 0:34:40.400
<v Speaker 3>likely what the original source is intended. I'm going to

0:34:40.480 --> 0:34:44.839
<v Speaker 3>start off by talking about the more likely confused interpretation.

0:34:45.400 --> 0:34:50.479
<v Speaker 3>So misugumo literally means water spider, and it's clear from

0:34:50.600 --> 0:34:53.960
<v Speaker 3>the context in which this device is described that it's

0:34:54.160 --> 0:34:59.080
<v Speaker 3>some kind of floatation device. So in some popular ninja

0:34:59.080 --> 0:35:02.520
<v Speaker 3>literature of the twentyth century, it has been interpreted as

0:35:02.560 --> 0:35:07.200
<v Speaker 3>a kind of footwear that allows the ninja to walk

0:35:07.320 --> 0:35:10.239
<v Speaker 3>on top of the water, often said to be used

0:35:10.280 --> 0:35:14.960
<v Speaker 3>for crossing the watery moat surrounding a castle. So imagine

0:35:15.040 --> 0:35:19.239
<v Speaker 3>a kind of wooden sandal that is a little rectangular

0:35:19.320 --> 0:35:22.680
<v Speaker 3>sandal in the middle bound with twine in the center

0:35:22.800 --> 0:35:26.960
<v Speaker 3>of a large flat disk made out of wooden quarter

0:35:27.120 --> 0:35:31.719
<v Speaker 3>circle pieces. So you imagine a round disc with a

0:35:31.760 --> 0:35:35.680
<v Speaker 3>hollow center made out of wood cut into four different pieces,

0:35:36.040 --> 0:35:38.360
<v Speaker 3>and they're bound together with twine. And then in the

0:35:38.400 --> 0:35:41.640
<v Speaker 3>middle you've got this little flat sandal soul to stand on.

0:35:42.239 --> 0:35:44.560
<v Speaker 3>You can look up illustrations of this if you want.

0:35:44.600 --> 0:35:47.600
<v Speaker 3>But this idea, in the first interpretation, is that the

0:35:47.680 --> 0:35:50.839
<v Speaker 3>ninja would stand on these and then use them to

0:35:51.000 --> 0:35:54.080
<v Speaker 3>walk across the surface of the water, because hey, wood

0:35:54.120 --> 0:35:59.040
<v Speaker 3>floats right now, Would this actually work? Would such a

0:35:59.080 --> 0:36:02.600
<v Speaker 3>device allow you to walk on water? I think we

0:36:02.640 --> 0:36:06.040
<v Speaker 3>can start by thinking about its namesake, which is the

0:36:06.040 --> 0:36:11.160
<v Speaker 3>water spider. There are insects and spiders that are able

0:36:11.239 --> 0:36:14.399
<v Speaker 3>to walk across the surface of the water without sinking in.

0:36:14.480 --> 0:36:16.520
<v Speaker 3>There are a number of different species that can do this,

0:36:16.960 --> 0:36:19.760
<v Speaker 3>So how do they do it well? There are generally

0:36:19.840 --> 0:36:23.520
<v Speaker 3>two physical forces that they can take advantage of. One

0:36:23.640 --> 0:36:28.440
<v Speaker 3>is standard buoyancy. This works by displacing water with a

0:36:28.560 --> 0:36:33.000
<v Speaker 3>lower density object, and this is how boats float. Boats

0:36:33.040 --> 0:36:36.360
<v Speaker 3>float by having a hollow hull, thus displacing more weight

0:36:36.400 --> 0:36:38.759
<v Speaker 3>in water than their own weight, so they get to

0:36:38.760 --> 0:36:41.319
<v Speaker 3>sit on top of the water without sinking down. The

0:36:41.400 --> 0:36:46.000
<v Speaker 3>other physical factor is surface tension. Insects and spiders are

0:36:46.040 --> 0:36:50.200
<v Speaker 3>small enough that different forces play a major role in

0:36:50.280 --> 0:36:52.920
<v Speaker 3>the way they move through the world, and the surface

0:36:53.000 --> 0:36:56.839
<v Speaker 3>tension of water is one of those forces. Water is

0:36:56.920 --> 0:37:01.000
<v Speaker 3>a polar molecule, so it likes to stick to itself,

0:37:01.360 --> 0:37:04.000
<v Speaker 3>and when there's a mass of water, it forms a

0:37:04.080 --> 0:37:08.239
<v Speaker 3>kind of skin on its surface, with the water molecules

0:37:08.280 --> 0:37:11.520
<v Speaker 3>clinging very tightly to each other and to some extent

0:37:11.719 --> 0:37:16.400
<v Speaker 3>resisting being split apart. So it takes some force actually

0:37:16.480 --> 0:37:20.239
<v Speaker 3>to break through this surface layer of water. Now, given

0:37:20.280 --> 0:37:23.560
<v Speaker 3>the mass of a human body, Earth's gravity pulling us

0:37:23.600 --> 0:37:27.239
<v Speaker 3>downward into a pool of water quite easily overcomes the

0:37:27.280 --> 0:37:30.120
<v Speaker 3>surface tension of water, and we plunge right in. But

0:37:30.640 --> 0:37:34.560
<v Speaker 3>as you become smaller and smaller and your mass becomes smaller,

0:37:35.080 --> 0:37:39.080
<v Speaker 3>gravity becomes less relevant and the surface tension of water

0:37:39.160 --> 0:37:44.360
<v Speaker 3>becomes more relevant. So some insects and spiders are specially

0:37:44.400 --> 0:37:48.840
<v Speaker 3>evolved to take advantage of the power of surface tension

0:37:48.960 --> 0:37:53.240
<v Speaker 3>at their body size by having hydrophobic or water repelling

0:37:53.360 --> 0:37:57.680
<v Speaker 3>surfaces and hairs on their bodies and especially on their feet,

0:37:58.040 --> 0:38:01.239
<v Speaker 3>And these surfaces they from one thing. They spread out

0:38:01.280 --> 0:38:04.520
<v Speaker 3>their weight over a larger surface area by having like

0:38:04.960 --> 0:38:07.680
<v Speaker 3>specially shaped feed and these hairs that allow them to

0:38:07.719 --> 0:38:11.080
<v Speaker 3>kind of spread out their footprint, so they distribute their

0:38:11.080 --> 0:38:13.040
<v Speaker 3>weight over a larger surface of the water. But they

0:38:13.080 --> 0:38:16.000
<v Speaker 3>also at the molecular level, tend to be made of

0:38:16.320 --> 0:38:19.920
<v Speaker 3>hydrophobic substances that do not want to get wet. They

0:38:20.040 --> 0:38:23.440
<v Speaker 3>chemically resist getting wet, and so they do not want

0:38:23.520 --> 0:38:27.120
<v Speaker 3>to penetrate the surface level of the water. And so

0:38:27.400 --> 0:38:31.000
<v Speaker 3>with the combination of these hydrophobic surfaces and distributing their

0:38:31.000 --> 0:38:34.120
<v Speaker 3>weight over the larger space, the arthropod is able to

0:38:34.200 --> 0:38:36.399
<v Speaker 3>walk or skate over the surface of the water by

0:38:36.400 --> 0:38:40.440
<v Speaker 3>taking advantage of that surface tension. This is great for insects,

0:38:40.600 --> 0:38:44.239
<v Speaker 3>but again it works because they are extremely small and

0:38:44.360 --> 0:38:47.520
<v Speaker 3>have very small mass. Once you start getting bigger and

0:38:47.560 --> 0:38:50.760
<v Speaker 3>having more mass to your body, you're just too big

0:38:50.880 --> 0:38:53.319
<v Speaker 3>to take advantage of the surface tension of water in

0:38:53.360 --> 0:38:53.799
<v Speaker 3>this way.

0:38:54.480 --> 0:38:57.359
<v Speaker 2>So you're saying Ninja might have been just really small.

0:38:58.320 --> 0:39:00.719
<v Speaker 3>If ninja were the size of insects. So yeah, you

0:39:01.160 --> 0:39:04.160
<v Speaker 3>can quite well imagine coming up with technology for running

0:39:04.200 --> 0:39:06.680
<v Speaker 3>over the surface of water. And that brings us back

0:39:06.719 --> 0:39:09.960
<v Speaker 3>to the Misigumo device. So I was not able to

0:39:10.000 --> 0:39:15.200
<v Speaker 3>find any rigorous testing of this device of recreations of

0:39:15.200 --> 0:39:18.920
<v Speaker 3>this device published in a scientific or historical journal. But

0:39:18.920 --> 0:39:22.439
<v Speaker 3>I've come across a few informal tests staged in things

0:39:22.440 --> 0:39:26.719
<v Speaker 3>like documentaries and TV programs, And having reviewed this evidence

0:39:26.760 --> 0:39:29.440
<v Speaker 3>and read what I could about it, my assessment is

0:39:29.560 --> 0:39:33.399
<v Speaker 3>this device would probably not work as described, at least

0:39:33.400 --> 0:39:37.200
<v Speaker 3>in the way it's interpreted here as footwear, unless the

0:39:37.239 --> 0:39:41.799
<v Speaker 3>shoes were absurdly large, much larger than the specifications in

0:39:41.840 --> 0:39:45.960
<v Speaker 3>the Ninjasu manual indicate, in which case I questioned the

0:39:46.000 --> 0:39:49.000
<v Speaker 3>extent to which you could be said to walk on

0:39:49.200 --> 0:39:53.239
<v Speaker 3>water as opposed to just floating upright on two small boats.

0:39:53.719 --> 0:39:56.680
<v Speaker 3>And in that case, why is this method of crossing

0:39:56.760 --> 0:40:01.080
<v Speaker 3>the water preferable to just piloting a small rat after canoe.

0:40:01.120 --> 0:40:04.160
<v Speaker 2>Right, because a small rafter canoe works, wonders like, there's

0:40:04.200 --> 0:40:08.600
<v Speaker 2>a reason we still use canoes and kayaks and so forth.

0:40:08.840 --> 0:40:11.279
<v Speaker 2>They're great. Why would you wear a couple of like

0:40:11.360 --> 0:40:14.160
<v Speaker 2>huge floaty clown shoes instead, especially if you're trying to

0:40:14.160 --> 0:40:14.680
<v Speaker 2>be stealthy?

0:40:15.000 --> 0:40:17.640
<v Speaker 3>That's right now, you might argue, well, you know, a

0:40:17.760 --> 0:40:20.279
<v Speaker 3>rafter canoe is big, and you have to it would

0:40:20.320 --> 0:40:22.799
<v Speaker 3>be hard to like carry it to the But in

0:40:22.960 --> 0:40:25.399
<v Speaker 3>order for these shoes to work. They would also need

0:40:25.440 --> 0:40:26.760
<v Speaker 3>to be big and hard to carry.

0:40:27.480 --> 0:40:30.319
<v Speaker 2>Yeah. I mean, I'm reminded of every time as a

0:40:30.400 --> 0:40:32.960
<v Speaker 2>child or even as an adult, where I've attempted to

0:40:33.080 --> 0:40:36.160
<v Speaker 2>stand on something floating and say a swimming pool, and

0:40:36.440 --> 0:40:39.000
<v Speaker 2>you know, how long can you stay up unless it

0:40:39.120 --> 0:40:42.759
<v Speaker 2>is like a large surfboard or a larger float, But

0:40:43.080 --> 0:40:45.759
<v Speaker 2>even a fair sized float can prove difficult. You're not

0:40:45.800 --> 0:40:46.839
<v Speaker 2>going to stay up there very long.

0:40:47.000 --> 0:40:48.560
<v Speaker 3>Yeah, that's another thing I want to get to in

0:40:48.600 --> 0:40:53.120
<v Speaker 3>just a minute. Balance. Now, there is another consideration, which

0:40:53.160 --> 0:40:57.319
<v Speaker 3>is the question of what exactly are you crossing? If

0:40:57.320 --> 0:41:01.600
<v Speaker 3>it's actually water, these these you know, water walking shoes

0:41:01.719 --> 0:41:05.880
<v Speaker 3>seem very implausible. But if it's some thicker substance like

0:41:06.000 --> 0:41:09.960
<v Speaker 3>a muddy marsh, perhaps increasing the surface area over which

0:41:09.960 --> 0:41:13.279
<v Speaker 3>your weight is distributed with these wooden disks actually would

0:41:13.280 --> 0:41:17.239
<v Speaker 3>give you an advantage walking over a mud flat or

0:41:17.239 --> 0:41:21.759
<v Speaker 3>a marsh, or some kind of thick, thicker substrate like that.

0:41:22.640 --> 0:41:24.560
<v Speaker 3>It might help to have shoes like this because they

0:41:24.560 --> 0:41:27.040
<v Speaker 3>would function more like snow shoes, you know, they just

0:41:27.080 --> 0:41:28.120
<v Speaker 3>spread your weight out.

0:41:28.600 --> 0:41:30.800
<v Speaker 2>This remind you know, remember we did some episodes on

0:41:30.920 --> 0:41:34.320
<v Speaker 2>mud a while back, right, and I remember looking into

0:41:34.560 --> 0:41:38.920
<v Speaker 2>like military experiments with mud and often with vehicles. But

0:41:38.960 --> 0:41:42.480
<v Speaker 2>I believe there were also some accounts of boots, like

0:41:42.520 --> 0:41:44.479
<v Speaker 2>trying to figure out like what kind of boots would

0:41:44.560 --> 0:41:47.840
<v Speaker 2>enable soldiers to move through or across the mud easier.

0:41:47.880 --> 0:41:50.280
<v Speaker 2>And I know there were at least some experiments involving

0:41:50.400 --> 0:41:53.520
<v Speaker 2>like sort of wider shoes almost kind of like snowshoes

0:41:53.520 --> 0:41:54.239
<v Speaker 2>for mud.

0:41:54.440 --> 0:41:56.600
<v Speaker 3>Right, So if you're thinking about mud or some other

0:41:56.719 --> 0:42:00.000
<v Speaker 3>kind of substrate different than just plain water, different footwear

0:42:00.200 --> 0:42:03.960
<v Speaker 3>options could have advantages. But coming back to the water

0:42:04.080 --> 0:42:09.840
<v Speaker 3>walking like literal water walking interpretation, that seems unlikely to me.

0:42:10.440 --> 0:42:14.800
<v Speaker 3>One example of these informal tests that recreated a model

0:42:14.840 --> 0:42:17.440
<v Speaker 3>of this device and tried it out was actually MythBusters

0:42:17.480 --> 0:42:19.680
<v Speaker 3>that they did an episode where they tried it and

0:42:19.760 --> 0:42:22.279
<v Speaker 3>it did not work at all. They sank right into

0:42:22.320 --> 0:42:25.919
<v Speaker 3>the water or quickly lost upright balance and toppled over.

0:42:26.280 --> 0:42:29.200
<v Speaker 3>And they even made like much more buoyant shoes, like

0:42:29.640 --> 0:42:32.560
<v Speaker 3>more buoyant, larger shoes that were different than the original

0:42:33.000 --> 0:42:37.960
<v Speaker 3>design in these Ninjasu manuals, and still had trouble staying upright.

0:42:38.320 --> 0:42:40.959
<v Speaker 3>The issue is that an adult human is just way

0:42:41.000 --> 0:42:45.640
<v Speaker 3>too heavy for reasonably sized shoe worn floatation devices to

0:42:45.719 --> 0:42:48.360
<v Speaker 3>keep them afloat, So they're not going to work unless

0:42:48.400 --> 0:42:51.279
<v Speaker 3>you make the shoes gigantic, but in doing so, you

0:42:51.280 --> 0:42:54.839
<v Speaker 3>would probably lose the ability to quote walk in them

0:42:54.880 --> 0:42:57.319
<v Speaker 3>with any kind of grace, So you're just trying to

0:42:57.360 --> 0:43:01.799
<v Speaker 3>like stand up into little canoes. And this brings us

0:43:01.800 --> 0:43:05.280
<v Speaker 3>back to the how generally floatation devices on the human

0:43:05.320 --> 0:43:10.840
<v Speaker 3>scale and larger work by displacing more weight of water

0:43:11.320 --> 0:43:14.080
<v Speaker 3>than the total amount of weight that is being kept afloat.

0:43:14.440 --> 0:43:17.439
<v Speaker 3>So you can float a thousand ton boat on top

0:43:17.480 --> 0:43:20.520
<v Speaker 3>of the water if the volume of the boat displaces

0:43:20.560 --> 0:43:23.239
<v Speaker 3>more than a thousand tons of water. Right, So, you

0:43:23.280 --> 0:43:25.400
<v Speaker 3>can have a boat made out of steel that has

0:43:25.440 --> 0:43:28.600
<v Speaker 3>a hollow hull, and even though steel is very dense

0:43:28.640 --> 0:43:32.239
<v Speaker 3>and would sink in water, it's displacing more water than

0:43:32.239 --> 0:43:34.120
<v Speaker 3>the total weight of the boat and all its cargo.

0:43:34.960 --> 0:43:37.560
<v Speaker 3>So when you think about it this way, it's relatively

0:43:37.640 --> 0:43:42.000
<v Speaker 3>easy to create a personal floatation device that will keep

0:43:42.040 --> 0:43:46.239
<v Speaker 3>you from sinking entirely under the water, because once your

0:43:46.280 --> 0:43:51.120
<v Speaker 3>body is mostly submerged in the water, it's already displacing

0:43:51.280 --> 0:43:54.680
<v Speaker 3>a lot of water. The average density of the human

0:43:54.719 --> 0:43:58.799
<v Speaker 3>body is very close to the density of water. I've

0:43:58.840 --> 0:44:03.040
<v Speaker 3>seen estimates that on average, a human adult with lungs

0:44:03.120 --> 0:44:06.160
<v Speaker 3>full of air is slightly less dense than water and

0:44:06.239 --> 0:44:10.240
<v Speaker 3>will float, and a human after exhaling with the lungs empty,

0:44:10.360 --> 0:44:14.080
<v Speaker 3>is slightly more dense than water on average, or roughly

0:44:14.120 --> 0:44:17.759
<v Speaker 3>neutrally buoyant, and will more likely sink. And this is

0:44:17.800 --> 0:44:23.360
<v Speaker 3>going to vary somewhat due to tissue composition, clothing. Literally

0:44:23.400 --> 0:44:25.759
<v Speaker 3>how much gas you have in your digestive system that

0:44:25.800 --> 0:44:29.880
<v Speaker 3>plays a role in your natural buoyancy. But as animals,

0:44:30.160 --> 0:44:34.400
<v Speaker 3>we're naturally right around on the line between sinking and floating.

0:44:34.840 --> 0:44:37.080
<v Speaker 3>So if you just add a little bit of extra

0:44:37.200 --> 0:44:40.839
<v Speaker 3>low mass volume, like a life vest, it pushes your

0:44:40.960 --> 0:44:44.719
<v Speaker 3>volume to weight ratio over the line and makes you

0:44:44.760 --> 0:44:47.920
<v Speaker 3>a little more buoyant enough that your head easily stays

0:44:47.960 --> 0:44:50.919
<v Speaker 3>above the water with most of your body maybe neck

0:44:51.000 --> 0:44:54.320
<v Speaker 3>down or shoulders down, displacing a lot of water below

0:44:54.360 --> 0:44:58.400
<v Speaker 3>the water line. But walking on top of the water

0:44:58.719 --> 0:45:02.240
<v Speaker 3>is a very different front physical goal than just keeping

0:45:02.280 --> 0:45:05.280
<v Speaker 3>your head and its breathing holes above the water line.

0:45:05.600 --> 0:45:08.319
<v Speaker 3>To walk on top of the water, you would need

0:45:08.400 --> 0:45:13.279
<v Speaker 3>shoes that by themselves just the shoe part displace your

0:45:13.480 --> 0:45:17.080
<v Speaker 3>entire body's weight in water, which again means that the

0:45:17.120 --> 0:45:21.200
<v Speaker 3>shoes need to be both light or like boat shaped

0:45:21.239 --> 0:45:24.440
<v Speaker 3>in a way with like a hollow hull and compared

0:45:24.440 --> 0:45:28.799
<v Speaker 3>to normal shoes huge. So it is not impossible to

0:45:28.920 --> 0:45:31.560
<v Speaker 3>have sort of shoes that will allow you to float

0:45:31.560 --> 0:45:32.960
<v Speaker 3>on the top of the water. You can look up

0:45:33.040 --> 0:45:35.960
<v Speaker 3>videos of people creating things like this, but again it's

0:45:36.040 --> 0:45:39.080
<v Speaker 3>just like people standing on two small boats. They're like

0:45:39.200 --> 0:45:44.240
<v Speaker 3>big things, they're not like shoes. The other issue is balance.

0:45:44.360 --> 0:45:47.720
<v Speaker 3>You brought this up rob Because of the low friction

0:45:47.840 --> 0:45:51.480
<v Speaker 3>at the interface between your water walking shoes and the

0:45:51.520 --> 0:45:54.480
<v Speaker 3>water as compared to shoes and the ground, it is

0:45:54.520 --> 0:45:57.759
<v Speaker 3>difficult to stay upright and propel yourself forward on a

0:45:57.760 --> 0:46:01.960
<v Speaker 3>floatation device. In video, it was like the MythBusters test.

0:46:02.120 --> 0:46:04.600
<v Speaker 3>When people try to do this, they quickly either sink

0:46:04.800 --> 0:46:05.919
<v Speaker 3>or just tumble over.

0:46:06.719 --> 0:46:09.440
<v Speaker 2>Yeah, you end up falling one way, and say, like

0:46:09.480 --> 0:46:12.480
<v Speaker 2>the boogie board you're trying to balance on, ends up

0:46:12.560 --> 0:46:14.520
<v Speaker 2>like soaring off the other way.

0:46:14.920 --> 0:46:20.080
<v Speaker 3>Yeah. So the misogumo as shoes interpretation for walking on

0:46:20.600 --> 0:46:25.360
<v Speaker 3>actual water seems totally not plausible. However, a lot of

0:46:25.400 --> 0:46:29.400
<v Speaker 3>this gets cleared up with a reinterpretation of what this

0:46:29.560 --> 0:46:33.960
<v Speaker 3>device was intended to be used for. So the original

0:46:34.040 --> 0:46:39.440
<v Speaker 3>text that describes this device does not describe how it's used.

0:46:39.480 --> 0:46:43.000
<v Speaker 3>It only sort of gives a give specifications of the

0:46:43.040 --> 0:46:46.520
<v Speaker 3>device itself, and shows an illustration of a single one

0:46:46.600 --> 0:46:50.719
<v Speaker 3>in isolation, notably not a pair of them. Also, the

0:46:50.760 --> 0:46:54.800
<v Speaker 3>original illustration does not indicate any kind of sandal strap

0:46:54.920 --> 0:46:58.240
<v Speaker 3>or other way of attaching the paddle in the middle

0:46:58.239 --> 0:47:02.400
<v Speaker 3>of the disk to one's foot, So some modern scholars

0:47:02.400 --> 0:47:05.080
<v Speaker 3>have come to think that this device was not actually

0:47:05.320 --> 0:47:10.200
<v Speaker 3>intended to be used in pairs as footwear, but instead

0:47:10.560 --> 0:47:15.120
<v Speaker 3>was a seat used for flotation in the water. So

0:47:15.200 --> 0:47:20.000
<v Speaker 3>a ninja could, according to this interpretation, sit in this

0:47:20.160 --> 0:47:22.440
<v Speaker 3>sort of ring and use it like an inner tube

0:47:23.200 --> 0:47:26.640
<v Speaker 3>and then float across a water remote but they absolutely

0:47:26.680 --> 0:47:28.799
<v Speaker 3>would get wet if they did this. They would be

0:47:28.840 --> 0:47:31.440
<v Speaker 3>sitting in the water, but the upper part of their

0:47:31.480 --> 0:47:33.719
<v Speaker 3>body would be sitting above the water, like sitting in

0:47:33.760 --> 0:47:34.560
<v Speaker 3>an inner tube.

0:47:34.840 --> 0:47:36.600
<v Speaker 2>So you might want to like take your pants off,

0:47:38.239 --> 0:47:42.920
<v Speaker 2>pants in your pack until you get across, climb up

0:47:42.920 --> 0:47:44.600
<v Speaker 2>half naked, and then put your pants back on.

0:47:45.320 --> 0:47:48.160
<v Speaker 3>Right, And of course all of the caveats and uncertainties

0:47:48.200 --> 0:47:50.759
<v Speaker 3>about hystericity remain. We don't know if this was ever

0:47:50.840 --> 0:47:53.640
<v Speaker 3>like really used, or if it was exactly what it

0:47:53.680 --> 0:47:57.920
<v Speaker 3>was used for. I've seen speculation that seems again just

0:47:58.000 --> 0:48:01.440
<v Speaker 3>total speculation, that you could, like, oh, you could transport

0:48:01.600 --> 0:48:04.560
<v Speaker 3>gunpowder across the water without getting it wet by using

0:48:04.640 --> 0:48:06.160
<v Speaker 3>one of these. You know, you could hold it up

0:48:06.160 --> 0:48:09.359
<v Speaker 3>in the air and float across the water. I guess

0:48:09.360 --> 0:48:11.399
<v Speaker 3>you could do that, But then again, you could also

0:48:11.520 --> 0:48:14.080
<v Speaker 3>probably just use like a small raft or boat. So

0:48:14.760 --> 0:48:20.400
<v Speaker 3>I don't think it's fully understood what the alleged benefit

0:48:20.719 --> 0:48:25.040
<v Speaker 3>of this device as described would be. But it does

0:48:25.080 --> 0:48:29.520
<v Speaker 3>seem to me that the floating seat interpretation is more

0:48:29.640 --> 0:48:33.560
<v Speaker 3>likely what the author intended than the footwear and interpretation.

0:48:34.200 --> 0:48:37.200
<v Speaker 2>I mean, we mentioned that it's important for a shnobi

0:48:37.280 --> 0:48:41.160
<v Speaker 2>operative to potentially become part of the community, open up

0:48:41.160 --> 0:48:45.400
<v Speaker 2>a business. What if that business was essentially tubing, providing

0:48:45.760 --> 0:48:50.040
<v Speaker 2>inflatable circular devices for tourists to float from point A

0:48:50.120 --> 0:48:53.000
<v Speaker 2>to point B down a river, you know, at leisure,

0:48:53.360 --> 0:48:56.080
<v Speaker 2>perhaps while enjoying a beverage. It might give you the

0:48:56.080 --> 0:48:56.719
<v Speaker 2>cover you need.

0:48:57.520 --> 0:49:00.319
<v Speaker 3>Okay, well, maybe we have to call it for part

0:49:00.440 --> 0:49:04.000
<v Speaker 3>three here, But we've got more alleged ninja techniques and

0:49:04.120 --> 0:49:06.640
<v Speaker 3>anecdotes to talk about in the next episode.

0:49:06.920 --> 0:49:09.319
<v Speaker 2>That's right, we'll be back and we'll cover we'll cover

0:49:09.760 --> 0:49:12.000
<v Speaker 2>some big ones. If you're wondering, well, why did they

0:49:12.040 --> 0:49:14.759
<v Speaker 2>talk about X, Y or Z, we'll hold on for

0:49:14.800 --> 0:49:17.319
<v Speaker 2>the next episode. But still in the meantime, go ahead

0:49:17.360 --> 0:49:21.239
<v Speaker 2>right into us, because everything is fair at game here.

0:49:21.280 --> 0:49:27.000
<v Speaker 2>If you have thoughts about ninja lore, ninja history, various

0:49:27.080 --> 0:49:31.239
<v Speaker 2>shnobi activities, either in the history books or on the

0:49:31.239 --> 0:49:34.200
<v Speaker 2>big screen. Yeah, it's all fair game right in. We'd

0:49:34.200 --> 0:49:36.640
<v Speaker 2>love to hear from you. Just a reminder. Stuff to

0:49:36.640 --> 0:49:39.440
<v Speaker 2>Blow your Mind is primarily a science and culture podcast

0:49:39.440 --> 0:49:42.000
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0:49:42.040 --> 0:49:44.960
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0:49:47.400 --> 0:49:50.279
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0:49:50.320 --> 0:49:54.000
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0:49:56.160 --> 0:49:59.879
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0:50:00.040 --> 0:50:03.480
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0:50:03.520 --> 0:50:06.680
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0:50:06.680 --> 0:50:08.840
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0:50:08.840 --> 0:50:11.640
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0:50:11.719 --> 0:50:14.920
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0:50:14.920 --> 0:50:16.960
<v Speaker 2>call them reels Huge.

0:50:16.960 --> 0:50:20.240
<v Speaker 3>Thanks as always to our excellent audio producer JJ Posway.

0:50:20.440 --> 0:50:22.000
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0:50:22.000 --> 0:50:24.440
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0:50:24.440 --> 0:50:26.359
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0:50:26.520 --> 0:50:28.919
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