Mark Shaw: One very dry demo

236,844 views ใƒป 2013-03-26

TED


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

00:00
Translator: Joseph Geni Reviewer: Thu-Huong Ha
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๋ฒˆ์—ญ: Cho Hyun Hwang ๊ฒ€ํ† : Surie Lee
00:12
I'm here to show you
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์ €๋Š” ์˜ค๋Š˜ ์ด ์ž๋ฆฌ์—์„œ,
00:14
how something you can't see can be so much fun to look at.
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๋ณผ ์ˆ˜ ์—†๋Š” ๊ฒƒ์„ ๊ตฌ๊ฒฝํ•˜๋Š” ๊ฒƒ์ด ์–ผ๋งˆ๋‚˜ ์žฌ๋ฏธ์žˆ๋Š”์ง€ ๋ณด์—ฌ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
00:18
You're about to experience a new, available
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์ผ์ƒ ์ƒํ™œ์—์„œ ๋ฐฉ์ˆ˜๊ฐ€ ์–ด๋–ป๊ฒŒ ํ™œ์šฉ๋˜๋Š”์ง€
00:22
and exciting technology that's going to make us rethink
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๋‹ค์‹œ ์ƒ๊ฐํ•˜๊ฒŒ ๋งŒ๋“œ๋Š” ์ƒˆ๋กญ๊ณ  ํ™œ์šฉ ๊ฐ€๋Šฅํ•˜๋ฉฐ, ํฅ๋ฏธ๋กœ์šด ๊ธฐ์ˆ ์„
00:25
how we waterproof our lives.
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๊ฒฝํ—˜ํ•˜๊ฒŒ ๋˜์‹ค ๊ฒ๋‹ˆ๋‹ค.
00:27
What I have here is a cinder block
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๊ฑฐ์˜ ๋ชจ๋“  ์žฌ์งˆ์— ์น ํ•  ์ˆ˜ ์žˆ๋Š” ๋‚˜๋…ธ ๊ธฐ์ˆ  ์Šคํ”„๋ ˆ์ด๋กœ
00:30
that we've coated half with a nanotechnology spray
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์ ˆ๋ฐ˜์„ ์น ํ•œ
00:32
that can be applied to almost any material.
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์ฝ˜ํฌ๋ฆฌํŠธ ๋ธ”๋ก์ด ์žˆ์Šต๋‹ˆ๋‹ค.
00:35
It's called Ultra-Ever Dry,
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์ด๊ฒƒ์€ '์šธํŠธ๋ผ-์—๋ฒ„ ๋“œ๋ผ์ด'๋ผ ๋ถˆ๋ฆฌ๋ฉฐ,
00:37
and when you apply it to any material,
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์–ด๋– ํ•œ ์žฌ์งˆ์—๋“  ์‚ฌ์šฉํ•˜๋ฉด
00:39
it turns into a superhydrophobic shield.
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์ดˆ์†Œ์ˆ˜์„ฑ(่ถ…็–ๆฐดๆ€ง) ๋ณดํ˜ธ๋ง‰์œผ๋กœ ๋ณ€ํ•ฉ๋‹ˆ๋‹ค.
00:42
So this is a cinder block, uncoated,
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์ด๊ฒƒ์€ ์น ํ•˜์ง€ ์•Š์€ ์ฝ˜ํฌ๋ฆฌํŠธ ๋ธ”๋ก์ด๊ณ ,
00:45
and you can see that it's porous, it absorbs water.
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์ด๊ฒƒ์ด ๋‹ค๊ณต์„ฑ, ์ฆ‰ ๋ฌผ์„ ํก์ˆ˜ํ•˜๋Š” ๊ฒƒ์„ ๋ณด์‹ค ์ˆ˜ ์žˆ์„ ๊ฒ๋‹ˆ๋‹ค.
00:49
Not anymore.
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๋” ์ด์ƒ์€ ์•„๋‹™๋‹ˆ๋‹ค.
00:52
Porous, nonporous.
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๋‹ค๊ณต์„ฑ, ๋น„๋‹ค๊ณต์„ฑ.
00:56
So what's superhydrophobic?
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๊ทธ๋ ‡๋‹ค๋ฉด ์ดˆ์†Œ์ˆ˜์„ฑ์ด ๋ฌด์Šจ ๋œป์ผ๊นŒ์š”?
00:59
Superhydrophobic is how we measure
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์ดˆ์†Œ์ˆ˜์„ฑ์€ ์šฐ๋ฆฌ๊ฐ€ ํ‘œ๋ฉด ์œ„์˜
01:01
a drop of water on a surface.
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๋ฌผ ํ•œ ๋ฐฉ์šธ์„ ์ธก์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.
01:04
The rounder it is, the more hydrophobic it is,
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๋” ๋‘ฅ๊ธ€์ˆ˜๋ก ์†Œ์ˆ˜์„ฑ์ด ๋” ๊ฐ•ํ•˜๋‹จ ๋œป์ด์ฃ .
01:06
and if it's really round, it's superhydrophobic.
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๋งŒ์•ฝ ๋ฌผ๋ฐฉ์šธ์ด ์ •๋ง ์›ํ˜•์ด๋ผ๋ฉด, ์ดˆ์†Œ์ˆ˜์„ฑ์ด ๋งค์šฐ ๊ฐ•ํ•จ์„ ๋œปํ•ฉ๋‹ˆ๋‹ค.
01:09
A freshly waxed car, the water molecules slump
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๋ฐฉ๊ธˆ ์™์Šค๋ฅผ ์ž…ํžŒ ์ž๋™์ฐจ์—์„œ ๋ฌผ ์ž…์ž๋Š”
01:12
to about 90 degrees.
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์•ฝ 90๋„ ์ •๋„๋กœ ๊ตฌ๋ถ€๋Ÿฌ์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
01:15
A windshield coating is going to give you about 110 degrees.
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์•ž ์œ ๋ฆฌ์ฐฝ์€ ์•ฝ 110๋„ ์ •๋„ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
01:18
But what you're seeing here is 160 to 175 degrees,
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์ง€๊ธˆ ๋ณด๊ณ  ๊ณ„์‹  ๊ฒƒ์€ 160๋„ ์—์„œ 175๋„ ๊ฐ€๋Ÿ‰ ๋ฉ๋‹ˆ๋‹ค.
01:21
and anything over 150 is superhydrophobic.
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150์„ ๋„˜๋Š” ๊ฒƒ์ด ์ดˆ์†Œ์ˆ˜์„ฑ์ž…๋‹ˆ๋‹ค.
01:25
So as part of the demonstration,
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๋‹ค์Œ์œผ๋กœ ์—ฌ๋Ÿฌ๋ถ„์—๊ฒŒ ๋ณด์—ฌ๋“œ๋ฆด ๊ฒƒ์€,
01:27
what I have is a pair of gloves,
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๋‚˜๋…ธ ๊ธฐ์ˆ ์„ ์‚ฌ์šฉํ•˜์—ฌ
01:29
and we've coated one of the gloves
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ํ•œ ์ง์„ ์ฝ”ํŒ…ํ•œ
01:31
with the nanotechnology coating,
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์žฅ๊ฐ‘์ž…๋‹ˆ๋‹ค.
01:34
and let's see if you can tell which one,
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์–ด๋Š ๊ฒƒ์ธ์ง€ ๋งžํ˜€ ๋ณด์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
01:36
and I'll give you a hint.
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์ œ๊ฐ€ ํžŒํŠธ๋ฅผ ๋“œ๋ฆด๊ป˜์š”.
01:43
Did you guess the one that was dry?
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์–ด๋Š ๊ฒƒ์ด ๋ง๋ผ ์žˆ์—ˆ๋Š”์ง€ ์ƒ๊ฐํ•ด ๋ณด์…จ๋‚˜์š”?
01:47
When you have nanotechnology and nanoscience,
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๋‚˜๋…ธ ๊ธฐ์ˆ , ๋‚˜๋…ธ ๊ณผํ•™๊ณผ ํ•จ๊ป˜ ํ•  ๋•Œ,
01:52
what's occurred is that we're able to now
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์šฐ๋ฆฌ๋Š” ๋น„๋กœ์†Œ
01:55
look at atoms and molecules and actually control them
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์›์ž์™€ ๋ถ„์ž๋ฅผ ์ด์šฉํ•ด ํฐ ์ด์ต์„ ์–ป์„ ์ˆ˜ ์žˆ๋„๋ก
01:57
for great benefits.
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ํ†ต์ œํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
02:00
And we're talking really small here.
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์ง€๊ธˆ ์•„์ฃผ ์ž‘์€ ๊ฒƒ์— ๋Œ€ํ•ด ์ด์•ผ๊ธฐํ•˜๊ณ  ์žˆ์ง€์š”.
02:02
The way you measure nanotechnology is in nanometers,
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๋‚˜๋…ธ ๊ธฐ์ˆ ์„ ์ธก์ •ํ•  ๋•Œ๋Š” ๋‚˜๋…ธ๋ฏธํ„ฐ ๋‹จ์œ„๋ฅผ ์‚ฌ์šฉํ•˜๋Š”๋ฐ,
02:04
and one nanometer is a billionth of a meter,
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1 ๋‚˜๋…ธ๋ฏธํ„ฐ๋Š” 1๋ฏธํ„ฐ์˜ 10์–ต ๋ถ„์˜ ์ผ์ด๊ณ ,
02:08
and to put some scale to that,
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๊ธธ์ด๋ฅผ ์ธก์ •ํ•˜๊ธฐ ์œ„ํ•ด
02:09
if you had a nanoparticle that was one nanometer thick,
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1 ๋‚˜๋…ธ๋ฏธํ„ฐ ๋‘๊ป˜์˜ ๋‚˜๋…ธ ์ž…์ž๋ฅผ
02:13
and you put it side by side, and you had 50,000 of them,
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๋‚˜๋ž€ํžˆ ๋†“์•„ ์˜ค๋งŒ ๊ฐœ๋ฅผ ๋‚˜์—ดํ•˜๋ฉด
02:16
you'd be the width of a human hair.
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์ธ๊ฐ„ ๋จธ๋ฆฌ ์นด๋ฝ์˜ ๋‘๊ป˜ ์ •๋„๊ฐ€ ๋ฉ๋‹ˆ๋‹ค.
02:18
So very small, but very useful.
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์ด๋ ‡๋“ฏ ๋งค์šฐ ์ž‘์ง€๋งŒ, ๋งค์šฐ ์œ ์šฉํ•˜์ง€์š”.
02:21
And it's not just water that this works with.
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๊ทธ๊ฒƒ์€ ๋‹จ์ˆœํžˆ ๋ฌผ๊ณผ ๋ฐ˜์‘ํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ,
02:24
It's a lot of water-based materials like concrete,
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๋ฌผ์„ ๊ธฐ๋ณธ์œผ๋กœ ํ•˜๋Š” ์†Œ์žฌ์ธ ์ฝ˜ํฌ๋ฆฌํŠธ,
02:27
water-based paint,
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์ˆ˜์„ฑ ํŽ˜์ธํŠธ,
02:29
mud,
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์ง„ํ™,
02:31
and also some refined oils as well.
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๊ทธ๋ฆฌ๊ณ  ์ •์ œ๋œ ๊ธฐ๋ฆ„๊ณผ๋„ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
02:39
You can see the difference.
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์ฐจ์ด๊ฐ€ ๋ณด์ด์‹ค ๊ฒ๋‹ˆ๋‹ค.
02:43
Moving onto the next demonstration,
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๋‹ค์Œ์œผ๋กœ ๋ณด์—ฌ๋“œ๋ฆด ์‹คํ—˜์ธ๋ฐ์š”,
02:45
we've taken a pane of glass and we've coated the outside of it,
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์™ธ๋ฉด์„ ์น ํ•œ ์œ ๋ฆฌํŒ์ž…๋‹ˆ๋‹ค.
02:47
we've framed it with the nanotechnology coating,
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๋‚˜๋…ธ ๊ธฐ์ˆ ๋กœ ์น ํ•œ ํ‹€์„ ํ–ˆ๊ณ ,
02:50
and we're going to pour this green-tinted water inside the middle,
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์ด๋ ‡๊ฒŒ ์ดˆ๋ก์ƒ‰์œผ๋กœ ์—ผ์ƒ‰ํ•œ ๋ฌผ์„ ์ค‘์•™์— ๋ถ€์„ ๊ฒ๋‹ˆ๋‹ค.
02:54
and you're going to see, it's going to spread out on glass
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ํ”ํžˆ ์ƒ๊ฐํ•˜์‹œ๋Š”๋Œ€๋กœ
02:56
like you'd normally think it would,
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๋ฌผ์ด ์œ ๋ฆฌ ํ‘œ๋ฉด์— ํผ์ง€๋Š” ๊ฒƒ์„ ๋ณด๊ฒŒ ๋˜์‹ค ๊ฑฐ์—์š”.
02:57
except when it hits the coating, it stops,
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๊ทธ๋Ÿฌ๋‚˜ ์ฝ”ํŒ…๋œ ๊ณณ์— ๋„๋‹ฌํ•˜๋ฉด, ๋ฌผ์€ ๋ฉˆ์ถ”๊ณ ,
03:01
and I can't even coax it to leave.
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๋‹ค๋ฅธ ๊ณณ์œผ๋กœ ์›€์ง์ด๊ฒŒ ํ•  ์ˆ˜๋„ ์—†์ง€์š”.
03:05
It's that afraid of the water.
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๊ทธ ์ •๋„๋กœ ์ด ์ฝ”ํŒ…์€ ๋ฌผ์„ ๋ฌด์„œ์›Œํ•ฉ๋‹ˆ๋‹ค.
03:06
(Applause)
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(๋ฐ•์ˆ˜)
03:10
So what's going on here? What's happening?
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๊ณผ์—ฐ ๋ฌด์Šจ ์ผ์ด ์ผ์–ด๋‚˜๊ณ  ์žˆ๋Š” ๊ฑธ๊นŒ์š”? ๋ฌด์Šจ ์ผ์ผ๊นŒ์š”?
03:12
Well, the surface of the spray coating
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์Šคํ”„๋ ˆ์ด๋กœ ์ฝ”ํŒ…๋œ ํ‘œ๋ฉด์€ ์‚ฌ์‹ค
03:15
is actually filled with nanoparticles
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๋‚˜๋…ธ ์ž…์ž๋กœ ๊ฐ€๋“ํ•ฉ๋‹ˆ๋‹ค.
03:17
that form a very rough and craggly surface.
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์ด ์ž…์ž๋Š” ๊ฑฐ์น ๊ณ  ์šธํ‰๋ถˆํ‰ํ•œ ํ‘œ๋ฉด์„ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
03:19
You'd think it'd be smooth, but it's actually not.
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๋ถ€๋“œ๋Ÿฌ์šธ ๊ฑฐ๋ผ ์ƒ๊ฐํ•˜์‹œ๊ฒ ์ง€๋งŒ, ์‚ฌ์‹ค์€ ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
03:22
And it has billions of interstitial spaces,
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์‚ฌ์ด์‚ฌ์ด์— ์ˆ˜์‹ญ์–ต ๊ฐœ์˜ ๋นˆ ๊ณต๊ฐ„์ด ์กด์žฌํ•˜๋ฉฐ,
03:24
and those spaces, along with the nanoparticles,
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๋‚˜๋…ธ ์ž…์ž์™€ ํ•จ๊ป˜ ์ด ๊ณต๊ฐ„๋“ค์€
03:27
reach up and grab the air molecules,
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๊ณต๊ธฐ ์ž…์ž๋ฅผ ๋ถ™์žก์•„,
03:30
and cover the surface with air.
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ํ‘œ๋ฉด์„ ๊ณต๊ธฐ๋กœ ๋’ค๋ฎ์ด๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
03:32
It's an umbrella of air all across it,
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๊ณต๊ธฐ๊ฐ€ ํ‘œ๋ฉด ์ „์ฒด์— ๊ฑธ์ณ ์šฐ์‚ฐ ์—ญํ• ์„ ํ•˜๋ฉฐ,
03:35
and that layer of air is what the water hits,
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๋ฌผ์ด ๋‹ฟ๋Š” ๋ถ€๋ถ„์€ ์ด ๊ณต๊ธฐ ์ธต์ž…๋‹ˆ๋‹ค.
03:37
the mud hits, the concrete hits, and it glides right off.
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์ง„ํ™์ด๊ฑด, ์ฝ˜ํฌ๋ฆฌํŠธ๊ฑด ๋ฐ”๋กœ ํ˜๋Ÿฌ๋‚ด๋ฆฝ๋‹ˆ๋‹ค.
03:40
So if I put this inside this water here,
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์ œ๊ฐ€ ์ด๋ ‡๊ฒŒ ๋ฌผ ์•ˆ์— ๋„ฃ์œผ๋ฉด,
03:42
you can see a silver reflective coating around it,
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์€์ƒ‰์˜ ๋ฐ˜์‚ฌ๋˜๋Š” ์ฝ”ํŒ…๋ง‰์„ ๋ณด์‹ค ์ˆ˜ ์žˆ์„ ๊ฒ๋‹ˆ๋‹ค.
03:46
and that silver reflective coating
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๊ทธ๋ฆฌ๊ณ  ์ด ์€์ƒ‰์˜ ๋ฐ˜์‚ฌ ์ฝ”ํŒ…๋ง‰์€
03:48
is the layer of air that's protecting the water
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๊ณต๊ธฐ ์ธต์œผ๋กœ ๋ฎ์—ฌ ๋…ธ๊ฐ€ ๋ฌผ์— ์ –์ง€ ์•Š๋„๋ก ํ•˜์ง€์š”.
03:50
from touching the paddle, and it's dry.
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๋ง๋ผ ์žˆ๋Š” ์ƒํƒœ์ž…๋‹ˆ๋‹ค.
03:57
So what are the applications?
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๊ทธ๋ ‡๋‹ค๋ฉด ์ด ๊ธฐ์ˆ ์ด ์–ด๋””์— ์ ์šฉ๋ ๊นŒ์š”?
03:59
I mean, many of you right now are probably going through your head.
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๋งŽ์€ ๋ถ„๋“ค์ด ๋จธ๋ฆฟ ์†์—์„œ ์ด๋ ‡๊ฒŒ ์ƒ๊ฐํ•˜์‹ค ๊ฑฐ์—์š”.
04:02
Everyone that sees this gets excited, and says,
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๋ชจ๋“  ์ด๋“ค์ด ํฅ๋ถ„ํ•ด์„œ๋Š”,
04:03
"Oh, I could use it for this and this and this."
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"์•„, ๋‚œ ์ด ๊ธฐ์ˆ ์„ ์—ฌ๊ธฐ์ €๊ธฐ์— ์‚ฌ์šฉํ• ์ˆ˜ ์žˆ์„ ๊ฑฐ์•ผ,"
04:05
The applications in a general sense
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์ด ๊ธฐ์ˆ ์€ ๋ณดํŽธ์ ์œผ๋กœ
04:07
could be anything that's anti-wetting.
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๋ชจ๋“  ๋ฐฉ์ˆ˜ ์ œํ’ˆ์— ์‘์šฉ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.
04:10
We've certainly seen that today.
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์˜ค๋Š˜ ์šฐ๋ฆฌ๊ฐ€ ํ™•์‹คํžˆ ๋ณธ ๊ฒƒ์ฒ˜๋Ÿผ ๋ง์ด์ฃ ,
04:12
It could be anything that's anti-icing,
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๋ฐฉ๋น™(้˜ฒๆฐท)๊ธฐ์ˆ ์—๋„ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ์ง€์š”.
04:15
because if you don't have water, you don't have ice.
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๋ฌผ์ด ์—†์œผ๋ฉด ์–ผ์Œ๋„ ์—†๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
04:18
It could be anti-corrosion.
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๋ถ€์‹ ๋ฐฉ์ง€์—๋„ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.
04:21
No water, no corrosion.
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๋ฌผ์ด ์—†์œผ๋ฉด ๋ถ€์‹๋„ ์—†๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
04:23
It could be anti-bacterial.
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์‚ด๊ท ์—๋„ ์“ฐ์ผ ์ˆ˜ ์žˆ์ฃ .
04:25
Without water, the bacteria won't survive.
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๋ฌผ์ด ์—†๋‹ค๋ฉด ๋ฐ•ํ…Œ๋ฆฌ์•„๋„ ์‚ด์•„๋‚จ์ง€ ๋ชปํ•  ํ…Œ๋‹ˆ๊นŒ์š”.
04:28
And it could be things that need to be self-cleaning as well.
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์ž๋™ ์„ธ์ฒ™์ด ํ•„์š”ํ•œ ๋ฌผ๊ฑด๋“ค๋„ ๋งˆ์ฐฌ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค.
04:33
So imagine how something like this
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์ด๋Ÿฌํ•œ ๊ฒƒ๋“ค์ด ์—ฌ๋Ÿฌ๋ถ„์˜ ์ž‘์—… ๋ถ„์•ผ์—
04:37
could help revolutionize your field of work.
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์ผ์œผํ‚ฌ ํ˜๋ช…์„ ์ƒ์ƒํ•ด ๋ณด์„ธ์š”.
04:41
And I'm going to leave you with one last demonstration,
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์—ฌ๋Ÿฌ๋ถ„๊ป˜ ๋งˆ์ง€๋ง‰ ์‹คํ—˜์„ ๋ณด์—ฌ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
04:44
but before I do that, I would like to say thank you,
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๊ทธ ์ „์—, ๊ฐ์‚ฌํ•˜๋‹จ ๋ง์”€๊ณผ,
04:46
and think small.
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์ž‘๊ฒŒ ์ƒ๊ฐํ•˜์‹œ๋ผ๋Š” ๋ง์”€์„ ๋“œ๋ฆฌ๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.
04:57
(Applause)
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(๋ฐ•์ˆ˜)
05:04
It's going to happen. Wait for it. Wait for it.
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๊ณง ์ผ์–ด๋‚  ๊ฒ๋‹ˆ๋‹ค. ์ž ๊น๋งŒ์š”. ๊ธฐ๋‹ค๋ฆฌ์„ธ์š”.
05:09
Chris Anderson: You guys didn't hear about us cutting out the Design from TED? (Laughter)
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ํฌ๋ฆฌ์Šค ์•ค๋”์Šจ: ์ €ํฌ๊ฐ€ TED์—์„œ ๋””์ž์ธ์„ ๋นผ๋ฒ„๋ฆฐ๋‹ค๋Š” ์–˜๊ธฐ๋ฅผ ๋ชป ๋“ค์œผ์…จ๋‚˜์š”? (์›ƒ์Œ)
05:13
[Two minutes later...]
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[2๋ถ„ ํ›„]
05:15
He ran into all sorts of problems in terms of managing the medical research part.
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๊ทธ๋Š” ์˜ํ•™ ์—ฐ๊ตฌ ๋ถ„์•ผ๋ฅผ ๊ด€๋ฆฌํ•˜๋ฉฐ ๋งŽ์€ ๋‚œ๊ด€์— ๋ถ€๋”›ํ˜”์Šต๋‹ˆ๋‹ค.
05:18
It's happening!
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๋“œ๋””์–ด ์ผ์–ด๋‚˜๋Š”๊ตฐ์š”!
05:20
(Applause)
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(ํ™˜ํ˜ธ)

Original video on YouTube.com
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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