쉐도잉 연습: The Assassin's Teapot Is Weird - 영상으로 영어 말하기 배우기
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148 문장
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This is an assassin's teapot.
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It can be used to pour yourself a drink and to pour a drink for your enemy.
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You can then down your drink to prove that the drink isn't poisoned.
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There's no poison there.
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Don't worry about the poison.
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There is no poison.
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But then when your enemy takes a drink, they find out that it is poisoned.
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And by the way, this doesn't require you to spend the last few years building up an immunity to Iocane powder.
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It works straight off the bat.
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No preparation required.
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That's because the Assassin's teapot can be used to pour three different drinks, which I've shown here using three different colored liquids.
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And by the way, if you plan to poison your enemy, I recommend using liquids of the same color.
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Do I need to tell the viewers that they shouldn't be trying to poison people?
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Like legally, just that it would break the flow of the video.
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Film myself having a fake phone call with a lawyer in which I explain the problem.
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And so long as I say out loud, don't try to poison people, then that should have me covered.
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Okay.
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Click.
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The way you choose the drink is by sneakily covering up one of these holes.
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If you cover this hole, you get a blue drink.
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If you cover this hole, you get a yellow drink.
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If you cover no holes, you get a green drink.
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So three drinks in total though actually no four drinks.
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If you cover both holes you get the null drink.
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But how does it work?
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Well you know me
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if I want to describe how a hydrodynamic mechanism works I like to make a transparent 2d version of it.
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I'll put a playlist of those videos in the card in the description.
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First I needed to figure out what was going on inside the teapot
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and a bit like with the glugl jug the only really sensible way to do
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that was to hit it with a hammer.
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So you can see there are two chambers here side by side and they both lead up to the spout.
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Additionally, one chamber leads up to this hole, the other chamber leads to this hole.
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For the 2D version, I don't want to put them side by side because then it wouldn't be 2D,
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but I feel like I can put them top to bottom and it should still work.
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And here it is.
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So if I want a blue drink, I cover this hole.
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If I want a yellow drink, I cover this hole.
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And if I want a green drink, I cover neither of the holes.
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And for completeness, here's the null drink.
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Similarly, I could have a black coffee, or I could have milk, or I could have a milky coffee.
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So that's how it works.
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But why does it work?
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Why is it that putting your finger over different holes causes different liquids to flow out?
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Well, it comes down to surface tension.
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It's similar to this demonstration you might have seen before.
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Look, I can pour water from this bottle, but if I turn the bottle upside down, no water pours out.
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The trick is that there's a gauze covering the opening of the bottle.
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So when I pour it like this water can flow out
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and air can flow in but
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when I turn the bottle upside down for water to flow out air would need to flow in
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and for air to flow in surface tension would need to be broken.
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Here's another example where instead of a gauze there's a small hole.
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The hole's actually big enough to push a straw up into and it floats to the top of the bottle.
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It's a really cool trick.
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You know, strictly speaking, ultimately, it's not surface tension that's keeping the liquid in place.
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It's air pressure.
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Like the assassin's teapot and these bottle tricks wouldn't work in a vacuum.
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So the reason the liquid doesn't fall out of the assassin's teapot
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when you have your thumb over the hole is because the atmosphere is pushing on it.
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Atmospheric pressure is holding the liquid in place.
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And that's counterintuitive.
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Like you you think, well, the real explanation is that, you know, well, if the liquid did fall out a little bit,
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it would create a vacuum and the vacuum would pull the liquid back in.
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But there is no pulling force.
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There's only pushing force from the atmosphere.
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It's like when you suck on a straw, it's not the suction that's pulling the liquid up the straw,
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it's the atmosphere pushing the liquid up the straw.
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And that's really counterintuitive because you feel like, well, look, that's me doing the work.
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I'm sucking on the straw.
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I'm pulling the liquid up with my lungs.
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At this point I want to go off on a bit of a tangent
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and talk about a type of pedantry that I think isn't always helpful.
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Like imagine you say I'm sucking liquid up a straw now.
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I mean it's a weird thing to say out loud
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but hypothetically and then an annoying physicist comes along and says well technically you're not sucking water up a straw,
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it's the atmosphere pushing it up the straw.
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And then in the next breath
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that physicist might go on to talk about the flow of positively charged holes in a semiconductor.
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Well, holes don't flow and a hole can't have a charge.
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So why is it okay to talk about the flow of positively charged holes?
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Well, the reason it's okay is because it's useful.
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But I would also argue that it's useful to talk about a suction force.
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So long as you keep the underlying physics in mind, you should be okay.
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Like, for example, you can't just increase a suction force indefinitely.
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Eventually, when you get to about 100 kilopascals, it stops working because you've run out of atmospheric pressure, the thing that's really doing the work underneath.
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Similarly, I think it should be all right to talk about the flow of cold.
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Like if I put an ice cube in my drink, the cold flows from the ice cube into the drink.
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Of course, that's not really what's happening the warmth from the drink is flowing into the ice cube
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and so it gets colder.
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But it's useful to talk about the flow of cold, again, so long as you understand the underlying physics.
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Like, you can't just keep pumping cold into something because eventually you reach absolute zero.
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By the way, these animations are from a video I made about how all LEDs are secretly solar panels
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and all solar panels are secretly LEDs.
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The link's in the card and in description.
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Okay, tangent over.
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The point is, we all know that for the water to get out, air needs to be able to get in.
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And with your finger off the hole, well, air can get in at the top.
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But if you cover over the hole, the only way for the air to get in is through the spout.
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And that's where surface tension comes in.
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Surface tension acts to minimize surface area.
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You might think, well, Well, one way for the water to get out is if the air can sneak past it on the way.
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But what would that look like?
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Well, it might look a bit like this.
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You've got a drip of water starting on one side and on the other side, you've got a bubble of air forming.
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But see how that increases the surface area of the water.
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And because surface tension acts to decrease the surface area, that's not energetically favourable and so you don't get this bubbling effect.
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And instead the liquid is trapped inside the chamber.
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This is also the principle behind a magic trick by the way sometimes called inexhaustible bottle or thinker drink.
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It's usually a bit more elaborate it'll have more chambers
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and different options for drinks but anyway you can read all about it in my kids book
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Science is Magic available from all good bookstores.
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So these are magnets yeah and then these are metal
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so they stick to the magnets and then when they drive around they also go around with it.
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And that makes it spin.
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Yeah.
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And some of them go loop the loop like this.
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That was my daughter spontaneously explaining the mechanics of the thing that she just built.
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The thing she just built was from a KiwiCo project, the sponsor of this video.
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Actually my kids have had a KiwiCo subscription since way before they approached me for sponsorship
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so I can tell you a bit about them.
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It's a subscription service where a box comes in the post every month
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and everything you need for the projects is in the box.
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You never need to run off to the shops or anything like that.
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And the projects are STEM projects.
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There's eight different subscription lines for every possible age group.
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You know, something that I haven't talked about before
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that I really appreciate about KiwiCo is the spontaneous STEM discussions that arise from it.
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You know, I'm the sort of person who, like a fact will pop into my mind and I'll say,
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hey kids, did you know this thing about the moon?
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You know, whatever.
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And, you know, it's completely out of context and the kids are sort of like, well, okay, fine.
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You know, so these days I'm on the lookout for, you know, STEM discussions that are within the context of what we're doing.
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And KiwiCo is great for that because the kids are so invested in the projects already.
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Like they're building these things, they're excited about them.
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And then as you saw with the explanation, these STEM discussions arise spontaneously.
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And it's really amazing to see.
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We've got a promo for the holiday season.
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Perhaps you know someone who would appreciate a KiwiCo subscription, in which case you can get the first month absolutely free using my special URL
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if you go to kiwico .com forward slash Steve Mould the link is also in the description so check out KiwiCo today.
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I hope you enjoyed this video if you did don't forget to hit subscribe
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and the algorithm thinks you'll enjoy this video next.
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When I touch it like that, it spins.
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So do you think the air is doing the same thing?
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Yeah.
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You're saying that the air from the candle, the candles making the air push up on those red things.
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Yeah.
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Oh, I see.
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이 레슨의 어휘와 말하기 포인트
이 말하기 레슨은 영상 “The Assassin's Teapot Is Weird”을(를) 바탕으로 합니다. 가장 자주 반복되는 단어는 다음과 같습니다: drink, hole, liquid, flow, surface. 이 영상에는 섀도잉할 문장 148개와 단어 1777개가 있습니다. 말하는 구간의 길이는 9:00입니다. 화자는 분당 약 197단어로 빠르게 말하므로 연음과 약하게 발음되는 소리가 많습니다. 영어에서 가장 많이 쓰이는 3,000단어에 속하는 단어가 81%뿐이라 어휘가 어려운 편입니다.
이 영상의 핵심 어휘
영상에 나오는 익혀 둘 만한 단어 15개를 발음, 뜻과 함께 정리했습니다.
| 단어 | 발음 | 뜻 |
|---|---|---|
| liquid 명사 | /ˈlɪk.wɪd/ | 액체 |
| poison 명사 | /ˈpɔɪ.zən/ | 독 |
| straw 명사 | /stɹɔ/ | 짚 |
| tension 명사 | /ˈtɛnʃən/ | 긴장, 불안 |
| pour 동사 | /poɹ/ | 붓다 |
| chamber 명사 | /ˈt͡ʃeɪ̯mbɚ/ | 침실 |
| atmosphere 명사 | /ˈætməsˌfɪɹ/ | 대기, 대기권 |
| suck 동사 | /sʌk/ | 빨다 |
| subscription 명사 | /səbˈskɹɪpʃən/ | 구독 |
| vacuum 명사 | /ˈvæ.kjuːm/ | 진공 |
| cube 명사 | /kjub/ | 정육면체, 바른륙면체 |
| finger 명사 | /ˈfɪŋɡɚ/ | 손가락 |
| explanation 명사 | /ˌɛkspləˈneɪʃən/ | 설명 |
| physics 명사 | /ˈfɪz.ɪks/ | 물리학, 물리 |
| spin 동사 | /spɪn/ | 회전하다 |
영상에 나오는 구동사
| 단어 | 뜻 |
|---|---|
| get out 동사 | 나오다, 나가다 |
| cover up 동사 | 감추다, 덮어버리다 |
따라 말해 볼 만한 문장
영상에 나오는 짧고 완결된 문장으로, 일상 대화에서 그대로 쓸 수 있습니다:
- I'm sucking on the straw.
- I'm pulling the liquid up with my lungs.
- We've got a promo for the holiday season.
이 영상의 문법
화자가 가장 많이 쓰는 문형을 영상 속 실제 표현과 함께 정리했습니다.
| 문형 | 영상 속 표현 |
|---|---|
| 현재완료 have/has + 과거분사 — 과거의 일이 지금도 관련이 있을 때 | I've shown · you've run · have had |
| 수동태 be + 과거분사 — 누가 하는지보다 무슨 일이 일어나는지에 초점 | isn't poisoned · is poisoned · be broken |
주의할 발음
화자는 don't, I'm, can't 같은 축약형과 약화된 형태를 36번 사용합니다. 들리는 대로 짧게 발음하세요.
- “th” 소리: breathe /bɹiːð/, underneath /ˌʌndɚˈniθ/, algorithm /ˈælɡəɹɪðm̩/, thumb /ˈθʌm/, warmth /wɔɹmθ/
- “sh”와 “zh” 소리: tension /ˈtɛnʃən/, subscription /səbˈskɹɪpʃən/, explanation /ˌɛkspləˈneɪʃən/, preparation /ˌpɹɛpəˈɹeɪʃ(ə)n/, animation /ˌæn.ɪˈmeɪ.ʃən/
- 긴 단어 — 강세 위치에 주의: explanation /ˌɛkspləˈneɪʃən/, similarly /ˈsɪm.ə.lə.li/, positively /ˈpɑ.zɪ.tɪv.li/, atmospheric /ˌætməsˈfɛɹɪk/, preparation /ˌpɹɛpəˈɹeɪʃ(ə)n/
한국어 화자가 어려워하는 소리:
- /f/ — ㅍ(/p/)으로 바꾸지 말고 윗니를 아랫입술에 대기: atmosphere /ˈætməsˌfɪɹ/, finger /ˈfɪŋɡɚ/, physics /ˈfɪz.ɪks/, atmospheric /ˌætməsˈfɛɹɪk/, helpful /ˈhɛlp.fl̩/
- /v/ — ㅂ(/b/)과 구별하기: vacuum /ˈvæ.kjuːm/, positively /ˈpɑ.zɪ.tɪv.li/, invest /ɪnˈvɛst/, viewer /ˈvju.ɚ/, favourable /ˈfeɪv(ə)ɹəbəl/
- /z/ — ㅈ이 아니라 성대를 울리는 /s/: poison /ˈpɔɪ.zən/, physics /ˈfɪz.ɪks/, arise /əˈɹaɪz/, positively /ˈpɑ.zɪ.tɪv.li/, mechanism /ˈmɛk.ə.nɪ.zəm/
이 영상으로 연습하는 방법
- 먼저 말하지 않고 영상을 끝까지 듣고 모르는 단어를 적어 둡니다.
- 0.75배속으로 한 문장씩 섀도잉을 시작하고, 익숙해지면 보통 속도로 돌아갑니다.
- 자신의 목소리를 녹음해 원본과 비교하고, liquid, poison, straw 같은 단어에 특히 주의합니다.
쉐도잉이란? 영어 실력을 빠르게 키우는 과학적 방법
쉐도잉(Shadowing)은 원래 전문 통역사 훈련을 위해 개발된 언어 학습 기법으로, 다언어 학자인 Dr. Alexander Arguelles에 의해 대중화된 방법입니다. 핵심 원리는 간단하지만 매우 강력합니다: 원어민의 영어를 들으면서 1~2초의 짧은 지연으로 즉시 소리 내어 따라 말하는 것——마치 '그림자(shadow)'처럼 화자를 따라가는 것입니다. 문법 공부나 수동적인 청취와 달리, 쉐도잉은 뇌와 입 근육이 동시에 실시간으로 영어를 처리하고 재현하도록 훈련합니다. 연구에 따르면 이 방법은 발음 정확도, 억양, 리듬, 연음, 청취력, 말하기 유창성을 크게 향상시킵니다. IELTS 스피킹 준비와 자연스러운 영어 소통을 원하는 분들에게 특히 효과적입니다.