The fascinating physics of everyday life | Helen Czerski

293,920 views ใƒป 2017-09-28

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

๋ฒˆ์—ญ: Sang Wook Lee
00:13
As you heard, I'm a physicist.
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๋“ค์œผ์‹  ๊ฒƒ์ฒ˜๋Ÿผ, ์ €๋Š” ๋ฌผ๋ฆฌํ•™์ž์ž…๋‹ˆ๋‹ค.
00:15
And I think the way we talk about physics needs a little modification.
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์ง€๊ธˆ ์šฐ๋ฆฌ๊ฐ€ ์• ๊ธฐํ•ด์•ผ ํ•  ๋ฌผ๋ฆฌํ•™์€ ์กฐ๊ธˆ ๋‹ค๋ฅธ ์ ‘๊ทผ๋ฐฉ๋ฒ•์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
00:19
I am from just down the road here; I don't live here anymore.
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์ง€๊ธˆ์€ ์•„๋‹ˆ์ง€๋งŒ ์—ฌ๊ธฐ์„œ ๊ฐ€๊นŒ์šด ๊ณณ์—์„œ ์ž๋ž์Šต๋‹ˆ๋‹ค.
00:22
But coming from round here means that I have a northern nana,
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์ œ๊ฐ€ ์—ฌ๊ธฐ์„œ ์ž๋ž„ ์ˆ˜ ์žˆ๋˜ ๊ฑด ๋ถ๋ถ€์ง€๋ฐฉ ํ• ๋จธ๋‹ˆ ๋•๋ถ„์ด์—ˆ์ฃ .
00:27
my mum's mom.
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์ œ ์–ด๋จธ๋‹ˆ์˜ ์–ด๋จธ๋‹ˆ์ž…๋‹ˆ๋‹ค.
00:28
And Nana is very bright; she hasn't had much formal education,
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๊ทธ๋…€๋Š” ์ •๊ทœ๊ต์œก์„ ๋ฐ›์ง€๋Š” ์•Š์•˜์ง€๋งŒ ๋งค์šฐ ์˜๋ฆฌํ•˜์…จ์Šต๋‹ˆ๋‹ค.
00:32
but she's sharp.
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๊ฒŒ๋‹ค๊ฐ€ ์˜ˆ๋ฆฌํ•˜์‹  ๋ถ„์ด์…จ์ฃ .
00:33
And when I was a second-year undergraduate studying physics at Cambridge,
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์บ ๋ธŒ๋ฆฌ์ง€ ๋Œ€ํ•™ ๋ฌผ๋ฆฌํ•™๊ณผ 2ํ•™๋…„์ผ ๋•Œ
00:37
I remember spending an afternoon at Nana's house in Urmston
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ํ• ๋จธ๋‹ˆ๊ป˜์„œ ๊ณ„์‹œ๋Š” ์—„์Šคํ„ด์—์„œ ์˜คํ›„์˜€๋˜ ๊ฑธ๋กœ ๊ธฐ์–ต๋‚˜๋„ค์š”.
00:42
studying quantum mechanics.
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์ €๋Š” ์–‘์ž์—ญํ•™์„ ๊ณต๋ถ€ํ•˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:44
And I had these folders open in front of me
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์ œ ์•ž์— ํด๋”๋“ค์„ ํŽผ์ณ๋†“๊ณ  ์žˆ์—ˆ์ฃ .
00:46
with this, you know, hieroglyphics -- let's be honest.
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๋‚ด์šฉ์€ ์ผ์ข…์˜ ์ƒํ˜•๋ฌธ์ž๋“ค ๊ฐ™๋‹ค๊ณ  ๋ณด์‹œ๋ฉด ๋ฉ๋‹ˆ๋‹ค.
00:49
And Nana came along, and she looked at this folder,
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ํ• ๋จธ๋‹ˆ๊ป˜์„œ ์ €ํ•œํ…Œ ์˜ค์‹œ๋”๋‹ˆ ๊ทธ ํด๋”๋“ค์„ ๋ณด์‹œ๋”๊ตฐ์š”.
00:54
and she said, "What's that?"
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๋ฌด์—‡์— ๊ด€๋ จ๋œ ๋‚ด์šฉ์ด๋ƒ๊ณ  ์ €ํ•œํ…Œ ๋ฌผ์œผ์…จ์–ด์š”.
00:56
I said, "It's quantum mechanics, Nana."
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"์–‘์ž์—ญํ•™์ด์—์š”, ํ• ๋จธ๋‹ˆ."
00:59
And I tried to explain something about what was on the page.
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๊ด€๋ จ๋œ ๋‚ด์šฉ์„ ํ• ๋จธ๋‹ˆ๊ป˜ ์„ค๋ช…ํ•ด ๋“œ๋ ธ์ฃ .
01:03
It was to do with the nucleus and Einstein A and B coefficients.
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์›์ž์˜ ํ•ต๊ณผ ์•„์ธ์Šˆํƒ€์ธ์˜ ๊ณ„์ˆ˜ A์™€ B์— ๋Œ€ํ•œ ๊ฒƒ์ด์—ˆ์–ด์š”.
01:07
And Nana looked very impressed.
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ํ• ๋จธ๋‹ˆ๋Š” ๋งค์šฐ ์ธ์ƒ ๊นŠ์–ด ํ•˜์…จ์Šต๋‹ˆ๋‹ค.
01:10
And then she said, "Oh.
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๊ทธ๋ฆฌ๊ณค ํ• ๋จธ๋‹ˆ๊ป˜์„ , "์˜ค,
01:12
What can you do when you know that?"
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๊ทธ๊ฒƒ์„ ์•Œ๋ฉด ๋ฌด์—‡์„ ํ•  ์ˆ˜ ์žˆ๋‹ˆ"
01:14
(Laughter)
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(์›ƒ์Œ)
01:19
"Don't know, ma'am."
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"๋ชจ๋ฅด๊ฒ ์–ด์š”, ํ• ๋จธ๋‹ˆ."
01:20
(Laughter)
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(์›ƒ์Œ)
01:21
I think I said something about computers,
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์ œ ๊ธฐ์–ต์—” ์ปดํ“จํ„ฐ์— ๋Œ€ํ•ด์„œ ์ด์•ผ๊ธฐ๋ฅผ ํ–ˆ๋˜ ๊ฒƒ ๊ฐ™๋„ค์š”.
01:23
because it was all I could think of at the time.
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๋‹น์‹œ ์ œ ๋จธ๋ฆฌ์†์—์„œ ์งœ๋‚ผ ์ˆ˜ ์žˆ๋Š” ๊ฒŒ ์ปดํ“จํ„ฐ ๋ฟ์ด์—ˆ์–ด์š”.
01:26
But you can broaden that question out, because it's a very good question --
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ํ• ๋จธ๋‹ˆ์˜ ์งˆ๋ฌธ์ด ์šฐ๋ฆฌ๋ฅผ ํ•œ๋ฒˆ ๋” ์ƒ๊ฐํ•˜๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค, ์ข‹์€ ์งˆ๋ฌธ์ด๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
01:30
"What can you do when you know that?" when "that" is physics?
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"๊ทธ๊ฒƒ" ์„ ์•Œ๊ณ ๋‚˜๋ฉด ๋ญ˜ ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ? ์—์„œ '๊ทธ๊ฒƒ' ์—ญ์‹œ ๋ฌผ๋ฆฌํ•™์ด๋ผ๋ฉด?
01:33
And I've come to realize that when we talk about physics in society
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์šฐ๋ฆฌ ์‚ฌํšŒ์—์„œ ๋ฌผ๋ฆฌํ•™์— ๊ด€ํ•œ ๋Œ€ํ™”๋ฅผ ํ•˜๊ฑฐ๋‚˜
01:36
and our sort of image of it,
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์ด์— ๊ด€๋ จ๋œ ์ด๋ฏธ์ง€์— ๋Œ€ํ•ด ์ด์•ผ๊ธฐ ๋‚˜๋ˆŒ ๋•Œ
01:38
we don't include the things that we can do when we know that.
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๊ทธ๊ฑธ๋กœ ํ•  ์ˆ˜ ์žˆ๋Š” ์ผ์„ ํฌํ•จ์‹œํ‚ค์ง€ ์•Š์Œ์„ ์ €๋Š” ๊นจ๋‹ซ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
01:41
Our perception of what physics is needs a bit of a shift.
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๋ฌผ๋ฆฌํ•™์ด๋ž€ ์šฐ๋ฆฌ์˜ ์ธ์‹์€ ์•ฝ๊ฐ„์˜ ๋ณ€ํ™”๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
01:44
Not only does it need a bit of a shift,
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์•ฝ๊ฐ„์˜ ๋ณ€ํ™”๊ฐ€ ํ•„์š”ํ•  ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ
01:46
but sharing this different perspective matters for our society,
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๋‹ค๋ฅธ ๊ด€์ ์„ ๊ณต์œ ํ•˜๋Š” ๊ฒƒ ๋˜ํ•œ ์šฐ๋ฆฌ์—๊ฒ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.
01:51
and I'm not just saying that because I'm a physicist and I'm biased
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์ง€๊ธˆ๊นŒ์ง€ "์ €๋Š” ํŽธ๊ฒฌ์žˆ๋Š” ๋ฌผ๋ฆฌํ•™์ž๋‹ค" ๋ผ๊ณ  ์—ฌ๋Ÿฌ๋ถ„๊ป˜ ๋ง์”€๋“œ๋ฆฌ๋Š”๊ฒŒ ์•„๋‹ˆ๋ผ
01:54
and I think we're the most important people in the world.
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์šฐ๋ฆฌ ๋ชจ๋‘ ์ด ์„ธ์ƒ์—์„œ ์˜๋ฏธ์žˆ๋Š” ์‚ฌ๋žŒ์ด๋ผ๋Š” ๊ฒƒ์„ ๋ง์”€๋“œ๋ฆฌ๊ณ  ์‹ถ์–ด์š”.
01:57
Honest.
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์‚ฌ์‹ค์ž…๋‹ˆ๋‹ค.
01:58
So, the image of physics -- we've got an image problem, let's be honest --
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๋ฌผ๋ฆฌํ•™์˜ ์ด๋ฏธ์ง€์— ๋ฌธ์ œ์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ์†”์งํžˆ ๊ทธ๋ ‡์ฃ .
02:02
it hasn't moved on much from this.
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์ง€๊ธˆ๊นŒ์ง€ ํฌ๊ฒŒ ๋‹ฌ๋ผ์ง„ ๋ฐ” ์—†์Šต๋‹ˆ๋‹ค.
02:04
This is a very famous photograph that's from the Solvay Conference in 1927.
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์ด ์‚ฌ์ง„์€ 1927๋…„ '์†”๋ฒ ์ด ์ปจํผ๋Ÿฐ์Šค'์—์„œ ์ฐ์€ ๋งค์šฐ ์œ ๋ช…ํ•œ ์‚ฌ์ง„์ž…๋‹ˆ๋‹ค.
02:08
This is when the great minds of physics were grappling
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์ด๋•Œ๊ฐ€ ๋ฌผ๋ฆฌํ•™์˜ ์ค‘์‹ฌ๋“ค์ด ํฌ๊ฒŒ ๊ณ ์‹ฌํ•˜๊ณ  ์žˆ์„๋•Œ ์ž…๋‹ˆ๋‹ค.
02:12
with the nature of determinism
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๊ฒฐ์ •๋ก ์˜ ๋ณธ์งˆ๊ณผ
02:15
and what it means only to have a probability
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ํ•œ ์ž…์ž๊ฐ€ ์–ด๋”˜๊ฐ€์— ์กด์žฌ์—ฌ๋ถ€๋ฅผ
02:17
that a particle might be somewhere,
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ํ™•๋ฅ ์ ์œผ๋กœ ์—ฐ๊ตฌํ•ด ๋ณด๊ณ 
02:18
and whether any of it was real.
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์ด ๋ชจ๋“  ๊ฒƒ์ด ์‹ค์ œ์ธ์ง€์— ๋Œ€ํ•ด ๋ง์ด์ฃ .
02:20
And it was all very difficult.
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์ฆ๋ช…ํ•˜๊ธฐ ์–ด๋ ค์šด ๋ถ€๋ถ„์ด ๋งŽ์•˜์ฃ .
02:22
And you'll notice they're all very stern-looking men in suits.
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๋ณด์‹œ๋‹ค์‹œํ”ผ ์ด๋“ค์€ ๋ชจ๋‘ ์ˆ˜ํŠธ๋ฅผ ์ž…์€ ๊ทผ์—„ํ•œ ๋‚จ์ž๋“ค์ด์ฃ .
02:25
Marie Curie -- I keep maybe saying, "Marie Antoinette,"
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๋งˆ๋ฆฌ ํ€ด๋ฆฌ, ์ œ๊ฐ€ ๊ณ„์† "๋งˆ๋ฆฌ ์•™ํˆฌ์•„๋„คํŠธ" ๋ผ๊ณ  ๋งํ• ๋ ค๊ณ  ํ•˜๋Š”๋ฐ
02:27
which would be a turn-up for the books --
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์ฑ…์— ๋‚˜์˜ค๋Š”....
02:29
Marie Curie, third from the left on the bottom there,
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์ €๊ธฐ ๋ฐ‘์—์„œ ์™ผ์ชฝ ์„ธ ๋ฒˆ์งธ ์žˆ๋Š” ๋งˆ๋ฆฌ ํ€ด๋ฆฌ๋Š”
02:32
she was allowed in, but had to dress like everybody else.
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์ € ๊ทธ๋ฃน์— ์†ํ•˜๊ธฐ ์œ„ํ•ด ๋‹ค๋ฅธ ์‚ฌ๋žŒ๋“ค๊ณผ ๊ฐ™์ด ์ˆ˜ํŠธ๋ฅผ ์ž…์–ด์•ผ ํ–ˆ์–ด์š”.
02:35
(Laughter)
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(์›ƒ์Œ)
02:36
So, this is what physics is like -- there's all these kinds of hieroglyphics,
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๋ฌผ๋ฆฌํ•™์ด ์ด๋ ‡์Šต๋‹ˆ๋‹ค. ์ƒํ˜•๋ฌธ์ž์™€ ๊ฐ™์€ ์ˆ˜์‹์–ด๋“ค์ด ๊ฐ€๋“ํ•˜๊ณ 
02:40
these are to do with waves and particles.
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ํŒŒ๋™๊ณผ ์ž…์ž๋“ค์— ๋Œ€ํ•œ ๊ฒƒ์ด์ฃ .
02:42
That is an artist's impression of two black holes colliding,
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์ € ๊ทธ๋ฆผ์€ ๋‘๊ฐœ์˜ ๋ธ”๋ž™ํ™€์ด ์ถฉ๋Œ์„ ์–ด๋Š ๋ฏธ์ˆ ๊ฐ€ ํ‘œํ˜„ํ–ˆ์Šต๋‹ˆ๋‹ค.
02:45
which makes it look worth watching, to be honest.
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์†”์งํžˆ, ๊ฝค๋‚˜ ๋ณผ๋งŒํ•˜์ฃ .
02:47
I'm glad I didn't have to write the risk assessment
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์—ฌ๊ธฐ์—์„œ(์Šคํฌ๋ฆฐ์—์„œ ๋ณด์ด๋Š” ์‚ฌ์ง„๊ณผ ๋ฌธ์ž๋“ค) ์–ด๋–ค ํ˜„์ƒ์ด ์ผ์–ด๋‚˜๋„
์œ„ํ—˜๋„ ๋ถ„์„์„ ์จ๋‚ด์ง€ ์•Š์•„๋„ ๋˜์„œ ๋‹คํ–‰์ž…๋‹ˆ๋‹ค.
02:50
for whatever was going on there.
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02:51
The point is: this is the image of physics, right?
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์š”์ ์€ ์ด๊ฒƒ์ด ๋ฌผ๋ฆฌํ•™์˜ ์ด๋ฏธ์ง€์˜ˆ์š”, ๊ทธ๋ ‡์ฃ ?
๋ฌผ๋ฆฌํ•™์€ ๋‚œํ•ดํ•˜๋ฉฐ ์–ด๋ ต๊ณ 
02:54
It's weird and difficult,
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02:55
done by slightly strange people dressed in a slightly strange way.
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๋‹ค์†Œ ์ด์ƒํ•œ ๋ฐฉ์‹์œผ๋กœ ์ฐจ๋ ค์ž…์€ ํ‰๋ฒ”ํ•˜์ง€ ์•Š์€ ์‚ฌ๋žŒ๋“ค์ด ํ•˜๋Š” ๊ฒƒ์ด์ฃ .
๋ฌผ๋ฆฌํ•™์€ ๊ทผ์ ‘ํ•  ์ˆ˜ ์—†๊ณ , ๋‹ค๋ฅธ ์„ธ์ƒ ์ด์•ผ๊ธฐ์ฃ .
02:58
It's inaccessible, it's somewhere else
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๊ทธ๋Ÿฐ๋ฐ, ์™œ ์ œ๊ฐ€ ๊ด€์‹ฌ์„ ๊ฐ€์ ธ์•ผํ•˜์ฃ ?
03:00
and fundamentally, why should I care?
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03:03
And the problem with that is that I'm a physicist,
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๋ฌธ์ œ๋Š” ์ œ๊ฐ€ ๋ฌผ๋ฆฌํ•™์ž์ด๋ฉฐ
03:07
and I study this.
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์ด๋Ÿฐ๊ฑธ ์—ฐ๊ตฌํ•ด์•ผ ํ•˜์ฃ .
03:08
This -- this is my job, right?
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์ด๊ฒŒ ์ œ๊ฐ€ ํ•˜๋Š” ์ผ์ด์—์š”.
03:11
I study the interface between the atmosphere and the ocean.
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์ €๋Š” ๋Œ€๊ธฐ์™€ ๋ฐ”๋‹ค ์‚ฌ์ด์˜ ์ ‘์ ์„ ์—ฐ๊ตฌํ•ฉ๋‹ˆ๋‹ค.
03:14
The atmosphere is massive, the ocean is massive,
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๋Œ€๊ธฐ๋Š” ๊ฑฐ๋Œ€ํ•˜๊ณ , ๋ฐ”๋‹ค๋„ ๊ฑฐ๋Œ€ํ•˜๊ณ 
03:17
and the thin layer that joins them together
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์ด ๋‘˜์„ ์—ฐ๊ฒฐํ•˜๋Š” ์–‡์€ ์ธต์€
03:19
is really important,
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๋งค์šฐ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.
03:20
because that's where things go from one huge reservoir to the other.
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์™œ๋ƒํ•˜๋ฉด ๊ทธ ๊ณณ์ด ํ•˜๋‚˜์˜ ๊ฑฐ๋Œ€ํ•œ ์ €์žฅ๊ณ ์—์„œ ๋˜ ๋‹ค๋ฅธ ๊ณณ์œผ๋กœ ์ด๋™ํ•˜๋Š” ๋ถ€๋ถ„์ด๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
03:23
You can see that the sea surface -- that was me who took this video --
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๋ฐ”๋‹ค์˜ ํ‘œ๋ฉด ๋ณด์ด์‹œ์ฃ . ์ด ๋น„๋””์˜ค๋ฅผ ์ฐ๊ณ  ์žˆ๋Š” ์‚ฌ๋žŒ์ด ์ „๋ฐ์š”.
03:27
the average height of those waves by the way, was 10 meters.
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์ € ํŒŒ๋„๋“ค์˜ ํ‰๊ท  ํŒŒ๊ณ ๋Š” 10m ์˜€์–ด์š”.
03:30
So this is definitely physics happening here --
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์ €๊ธฐ์„œ ๋‹น์—ฐํžˆ ๋ฌผ๋ฆฌ์  ํ˜„์ƒ์ด ์ƒ๊ธฐ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
03:33
there's lots of things -- this is definitely physics.
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๋งŽ์€ ํ˜„์ƒ๋“ค์ด ์ƒ๊น๋‹ˆ๋‹ค. ์ด๋Ÿฐ๊ฒŒ ๋ฐ”๋กœ ๋ฌผ๋ฆฌํ•™์ž…๋‹ˆ๋‹ค.
03:35
And yet it's not included in our cultural perception of physics,
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์šฐ๋ฆฌ์˜ ์ผ๋ฐ˜์ ์ธ ๋ฌผ๋ฆฌํ•™ ์ธ์‹์œผ๋ก  ์„ค๋ช…ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
03:39
and that bothers me.
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๊ทธ ์ ์ด ์ €๋ฅผ ๊ณ ๋ฏผํ•˜๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
03:41
So what is included in our cultural perception of physics?
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์–ด๋–ป๊ฒŒ ํ•˜๋ฉด ์ผ๋ฐ˜ ๋ฌผ๋ฆฌํ•™์œผ๋กœ ์„ค๋ช…์„ ๊ฐ€๋Šฅ์ผ€ ํ• ๊นŒ์š”?
03:44
Because I'm a physicist, there has to be a graph, right?
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์ €๋Š” ๋ฌผ๋ฆฌํ•™์ž์ด๋‹ˆ๊นŒ, ๋‹น์—ฐํžˆ ๊ทธ๋ž˜ํ”„๊ฐ€ ์žˆ์–ด์•ผ ๊ฒ ์ฃ ?
03:47
That's allowed.
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์žˆ์Šต๋‹ˆ๋‹ค.
03:48
We've got time along the bottom here, from very fast things there,
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๊ฐ€๋กœ ์ถ•์€ ์‹œ๊ฐ„์ž…๋‹ˆ๋‹ค, ๋งค์šฐ ๋น ๋ฅธ ๊ฒƒ๋“ค์€ ์ €๊ธฐ์—
03:52
to things that take a long time over here.
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์‹œ๊ฐ„์ด ์˜ค๋ž˜ ๊ฑธ๋ฆฌ๋Š” ๊ฒƒ์„์€ ์—ฌ๊ธฐ์— ์žˆ์ฃ .
03:56
Small things at the bottom, big things up there.
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์•„๋ž˜์ชฝ์—๋Š” ์ž‘์€ ๊ฒƒ๋“ค์ด, ํฐ ๊ฒƒ๋“ค์€ ์ €๊ธฐ ์œ„์ชฝ์— ์žˆ์Šต๋‹ˆ๋‹ค.
03:58
So, our current cultural image of physics looks like this.
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๊ทธ๋Ÿฌ๋ฉด, ํ˜„์žฌ ์ผ๋ฐ˜ ๋ฌผ๋ฆฌํ•™์˜ ์ด๋ฏธ์ง€๋Š” ์ด๋Ÿฐ ๋ชจ์Šต์ž…๋‹ˆ๋‹ค.
04:01
There's quantum mechanics down in that corner,
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์ €๊ธฐ ๊ฐ€์žฅ์ž๋ฆฌ ๋ถ€๋ถ„์ด ์–‘์ž์—ญํ•™์ž…๋‹ˆ๋‹ค.
04:04
it's very small, it's very weird,
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๋งค์šฐ ์ž‘๊ณ , ๋งค์šฐ ๋‚œํ•ดํ•˜๊ณ 
04:06
it happens very quickly,
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๋ฐ˜์‘๋„ ๋งค์šฐ ๋น ๋ฅด๋ฉฐ
04:08
and it's a long way down in the general ...
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์ผ๋ฐ˜์ ์œผ๋กœ ์šฐ๋ฆฌ ์ผ์ƒ ์ƒํ™œ์— ์ค‘์š”ํ•œ์ง€์˜ ์ฒ™๋„์—์„œ
04:11
on the scale of anything that matters for everyday life.
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๊ฐ€์žฅ ์•„๋žซ์ชฝ์— ์œ„์น˜ํ•ฉ๋‹ˆ๋‹ค.
04:14
And then there's cosmology, which is up there;
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๊ทธ๋ฆฌ๊ณ  ์šฐ์ฃผ๋ก ์ด ์žˆ์Šต๋‹ˆ๋‹ค, ์ €๊ธฐ ์œ„์— ๋ง์ด์ฃ .
04:16
very large, very far away,
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๋งค์šฐ ํฌ๊ณ , ๋งค์šฐ ๋ฉ€๋ฆฌ ์žˆ์œผ๋ฉฐ
04:18
also very weird.
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์ด ๋˜ํ•œ ๋งค์šฐ ๋‚œํ•ดํ•˜์ฃ .
04:20
And if you go to some places
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๊ทธ๋ฆฌ๊ณ  ์šฐ์ฃผ์˜ ์‹œ์ž‘์ ์— ์žˆ๋Š” ๋ธ”๋ž™ํ™€ ๊ฐ™์€ ๋ช‡๋ช‡ ๋ถ„์•ผ๋ฅผ ๋ณด๋ฉด
04:22
like black holes in the beginning of the universe,
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04:25
we know that these are frontiers in physics, right?
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์šฐ๋ฆฌ๋Š” ์ด๊ฒƒ๋“ค์ด ๋ฌผ๋ฆฌํ•™์˜ ๋ฏธ๊ฐœ์ฒ™์ง€๋ผ๋Š” ๊ฒƒ์„ ์•Œ๊ณ ์žˆ์Šต๋‹ˆ๋‹ค, ๊ทธ๋ ‡์ฃ ?
04:28
There's lots of work being done to discover new physics
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์ด๋Ÿฐ ๋ถ„์•ผ์—์„œ ์ƒˆ๋กœ์šด ๋ฌผ๋ฆฌํ•™์„ ๋ฐœ๊ฒฌํ•˜๊ธฐ ์œ„ํ•ด ๋งŽ์€ ์—ฐ๊ตฌ๊ฐ€ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:31
in these places.
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04:33
But the thing is, you will notice there's a very large gap in the middle.
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ํ•˜์ง€๋งŒ ๋ณด์ด๋Š” ๊ฒƒ๊ณผ ๊ฐ™์ด ๊ฐ ๋ถ„์•ผ ์‚ฌ์ด์— ๊ฐ„๊ทน์ด ํฝ๋‹ˆ๋‹ค.
04:36
And in that gap, there are many things.
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๊ทธ ๊ฐ„๊ทน์—๋Š” ๋งŽ์€ ์š”์†Œ๋“ค์ด ์กด์žฌํ•˜๋Š”๋ฐ์š”.
04:38
There are planets and toasts and volcanoes and clouds
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์—ฌ๊ธฐ์—๋Š” ํ–‰์„ฑ๋“ค๊ณผ ํ† ์ŠคํŠธ์™€ ํ™”์‚ฐ๊ณผ ๊ตฌ๋ฆ„๊ณผ
04:41
and clarinets and bubbles and dolphins
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ํด๋ผ๋ฆฌ๋„ท๊ณผ ๊ฑฐํ’ˆ๊ณผ ๋Œ๊ณ ๋ž˜๋“ค์ด ์žˆ์ฃ .
04:43
and all sorts of things that make up our everyday life.
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๊ทธ๋ฆฌ๊ณ  ์šฐ๋ฆฌ ์ผ์ƒ์„ ๊ตฌ์„ฑํ•˜๋Š” ๋ชจ๋“  ์ข…๋ฅ˜๋„ ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
04:46
And these are also run by physics, you'd be surprised --
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์ด ๋ชจ๋“  ๊ฒƒ์ด ๋ฌผ๋ฆฌํ•™์— ์˜ํ•ด ์ผ์–ด๋‚ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ๋ถ„๋“ค๋„ ๋†€๋ž๊ฒ ์ง€๋งŒ
04:50
there is physics in the middle, it's just that nobody talks about it.
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๊ทธ ์‚ฌ์ด์—” ๋ฌผ๋ฆฌํ•™์ด ์žˆ์Šต๋‹ˆ๋‹ค, ์•„๋ฌด๋„ ์ด์•ผ๊ธฐํ•˜์ง€ ์•Š์„ ๋ฟ์ด์ฃ .
04:53
And the thing about all of these is that they all run
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์ด ๋ชจ๋“  ๊ฒƒ๋“ค์˜ ์ค‘์š”ํ•œ ๊ฒƒ์€
04:57
on a relatively small number of physical laws,
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์ƒ๋Œ€์ ์œผ๋กœ ์ ์€ ์ˆ˜์˜ ๋ฌผ๋ฆฌ ์ด๋ก ์— ์˜ํ•ด์„œ ๋ฐœ์ƒ๋œ๋‹ค๋Š” ์ ์ž…๋‹ˆ๋‹ค.
05:00
things like Newton's laws of motion,
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๋‰ดํ„ด์˜ ์šด๋™๋ฒ•์น™์ด๋ผ๋“ ๊ฐ€
05:02
thermodynamics,
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์—ด์—ญํ•™์ด๋ผ๋“ ๊ฐ€
05:04
some rotational dynamics.
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ํšŒ์ „์—ญํ•™ ๊ฐ™์€ ๊ฒƒ๋“ค ๋ง์ด์ฃ .
05:05
The physics in the middle applies over a huge range,
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์ด๋Ÿฐ ๋ฌผ๋ฆฌ ์ด๋ก ๋“ค๋กœ ๋งŽ์€ ๋ฒ”์œ„๋ฅผ ์ ์šฉ์‹œํ‚ค๋ ค ํ•ฉ๋‹ˆ๋‹ค.
05:09
from very, very small things to very, very big things.
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๊ต‰์žฅํžˆ ์ž‘์€ ๊ฒƒ๋“ค๋ถ€ํ„ฐ ๊ต‰์žฅํžˆ ํฐ ๊ฒƒ๋“ค๊นŒ์ง€ ๋ง์ด์ฃ .
05:12
You have to try very hard to get outside of this.
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์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ด๋“ค์„ ์ดํ•ดํ•˜๊ธฐ์—” ๋„ˆ๋ฌด ํž˜์ด ๋“ค ๊ฑฐ์˜ˆ์š”.
05:14
And there is also a frontier in research physics here,
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๊ฒŒ๋‹ค๊ฐ€ ์—ฐ๊ตฌํ•  ๋ฏธ๊ฐœ์ฒ™์ง€๊ฐ€ ๋˜ ํ•˜๋‚˜ ์žˆ์Šต๋‹ˆ๋‹ค.
05:18
it's just that nobody talks about it.
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๋‹จ์ง€ ์•„๋ฌด๋„ ์ด์•ผ๊ธฐํ•˜์ง€ ์•Š์„ ๋ฟ์ด์ฃ .
05:20
This is the world of the complex.
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๊ทธ๊ฑด ๋ฐ”๋กœ ๋ณต์žกํ•œ ์„ธ๊ณ„์ž…๋‹ˆ๋‹ค.
05:21
When these laws work together, they bring about
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์•ž์„œ ๋งํ•œ ์›์น™๋“ค์ด ํ•จ๊ป˜ ์ž‘์šฉํ•  ๋•Œ
05:24
the beautiful, messy, complex world we live in.
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์•„๋ฆ„๋‹ต์ง€๋งŒ, ์–ด์ง€๋Ÿฝ๊ณ , ๋ณต์žกํ•œ ์„ธ์ƒ์„ ๋งŒ๋“ค์–ด ๋‚ด๊ณ  ์šฐ๋ฆฌ๋Š” ๊ฑฐ๊ธฐ์— ์‚ด๊ณ  ์žˆ์ฃ .
05:26
Fundamentally, this is the bit that really matters to me
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๋ถ„๋ช… ์ด๋Ÿฐ ๊ฒƒ๋“ค์ด
05:30
on an everyday basis.
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์ €์—๊ฒ ๋งค ์ˆœ๊ฐ„ ์ค‘์š”ํ•œ ๋ถ€๋ถ„๋“ค์ž…๋‹ˆ๋‹ค.
05:31
And this is the bit that we don't talk about.
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์šฐ๋ฆฌ๊ฐ€ ์ด์•ผ๊ธฐ ํ•˜๋ ค ํ•˜์ง€ ์•Š๋Š” ๋ถ„์•ผ๋„ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.
05:33
There's plenty of physics research going on here.
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์—ฐ๊ตฌํ•˜๋Š”๋ฐ ๋งŽ์€ ๋ฌผ๋ฆฌํ•™ ์ด๋ก ๋“ค์ด ํ•„์š”๋กœ ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
05:36
But because it doesn't involve pointing at stars,
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๋‹ค๋ฅธ ํ–‰์„ฑ๋“ค๊ณผ์˜ ๊ด€๋ จ์„ฑ์€ ๋–จ์–ด์ ธ์š”.
05:38
people for some reason think it's not that.
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์—ฌ๋Ÿฌ ์ด์œ ๋“ค๋กœ ๋’ท๋ฐ›์นจ ๋ฉ๋‹ˆ๋‹ค.
05:40
Now, the cool thing about this is that there are so many things
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๋Œ€๋‹จํ•œ ์ ์ด ์žˆ๋Š”๋ฐ์š”, ์—ฌ๋Ÿฌ ๋˜‘๊ฐ™์€ ๋ฌผ๋ฆฌ์  ์ด๋ก ๋“ค๋กœ
05:44
in this middle bit,
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์ค‘๊ฐ„์— ๋งŽ์€ ํ˜„์ƒ๋“ค์„
05:46
all following the same physical laws,
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์ ์šฉ ๊ฐ€๋Šฅํ•˜๋‹ค๋Š” ๊ฒƒ์ด์—์š”.
05:49
that we can see those laws at work
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๋ฌผ๋ฆฌ์  ์ด๋ก ๋“ค์ด ์ ์šฉ๋˜๋Š” ๊ฒƒ์ด
05:51
almost all the time around us.
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์šฐ๋ฆฌ ์ฃผ์œ„์—์„œ ํ”์น˜ ์•Š๊ฒŒ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
05:53
I've got a little video here.
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์˜์ƒ ํ•˜๋‚˜ ์ค€๋น„ํ–ˆ์Šต๋‹ˆ๋‹ค.
05:55
So the game is, one of these eggs is raw and one of them has been boiled.
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์žฌ๋ฏธ์žˆ๋Š” ๋†€์ด์ž…๋‹ˆ๋‹ค, ๋‚  ๋‹ฌ๊ฑ€๊ณผ ์‚ถ์€ ๋‹ฌ๊ฑ€์ด ์žˆ์Šต๋‹ˆ๋‹ค.
05:59
I want you to tell me which one is which.
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์—ฌ๋Ÿฌ๋ถ„๊ป˜์„œ ์•Œ๋ ค ์ฃผ์„ธ์š”.
06:02
Which one's raw?
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์–ด๋Š ์ชฝ์ด ๋‚  ๋‹ฌ๊ฑ€์ผ๊นŒ์š”?
06:04
(Audience responds)
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(์ฒญ์ค‘๋“ค ๋Œ€๋‹ต)
06:05
The one on the left -- yes!
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์™ผ์ชฝ์ด์š”, ๋„ค ๋งž์Šต๋‹ˆ๋‹ค.
06:07
And even though you might not have tried that, you all knew.
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๋‹ฌ๊ฑ€์„ ๊นจ์ง€ ์•Š๊ณ  ์šฐ๋ฆฌ๋Š” ์•Œ ์ˆ˜ ์žˆ์ฃ .
06:09
The reason for that is, you set them spinning,
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์ด์œ ๋Š” ๋‹ฌ๊ฑ€์— ํšŒ์ „์„ ์ฃผ๋ฉด
06:12
and when you stop the cooked egg, the one that's completely solid,
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์†์ด ๊ฝ‰์ฐฌ ์‚ถ์€ ๋‹ฌ๊ฑ€์„ ๋ฉˆ์ถ”๊ฒŒ ํ•  ๋•Œ ์™„์ „ํžˆ ๋ฉˆ์ถฅ๋‹ˆ๋‹ค.
06:15
you stop the entire egg.
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06:16
When you stop the other one, you only stop the shell;
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๋ฐ˜๋ฉด ๋‹ค๋ฅธ ํ•œ์ชฝ์˜ ๋‹ฌ๊ฑ€์„ ํšŒ์ „์„ ์ค€ ํ›„ ๋ฉˆ์ถ”๊ฒŒ ํ• ๋•Œ
06:19
the liquid inside is still rotating because nothing's made it stop.
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๋Œค๊ฑ€ ์•ˆ์— ์•ก์ฒด๋Š” ์—ฌ์ „ํžˆ ํšŒ์ „ํ•ฉ๋‹ˆ๋‹ค. ์•ก์ฒด๋Š” ์˜ํ–ฅ์„ ๋ฐ›์ง€ ์•Š๋Š” ๊ฑฐ์ฃ .
06:22
And then it pushes the shell round again, so the egg starts to rotate again.
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๋Œค๊ฑ€ ์™ธ๋ถ€์— ํšŒ์ „์„ ์ฃผ๊ฒŒ ๋˜๋ฉด, ๋‹ค์‹œ ํšŒ์ „์„ ํ•ด์š”.
06:27
This is brilliant, right?
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๋ฉ‹์ง€์ฃ . ๊ทธ์ฃ ?
06:29
It's a demonstration of something in physics
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๋ฌผ๋ฆฌํ•™์ ์œผ๋กœ ์„ค๋ช…ํ•˜์ž๋ฉด
06:31
that we call the law of conservation of angular momentum,
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๊ฐ์šด๋™๋Ÿ‰์˜ ๋ฒ•์น™์ด๋ผ๊ณ  ์ผ์ปซ๋Š”๋ฐ์š”.
06:34
which basically says that if you set something spinning
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๊ณ ์ •์ถ•์„ ๋‘๊ณ 
06:37
about a fixed axis,
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๋ฌผ๋ฆฌ์ ์œผ๋กœ ํšŒ์ „์„ ์ฃผ๋ฉด
06:38
that it will keep spinning unless you do something to stop it.
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๋ฉˆ์ถ”๊ฒŒ ํ•˜์ง€ ์•Š๋Š”๋‹ค๋ฉด ๊ณ„์† ํšŒ์ „ํ•ฉ๋‹ˆ๋‹ค.
06:41
And that's really fundamental in how the universe works.
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์ด ์šฐ์ฃผ๊ฐ€ ์ž‘์šฉํ•˜๋Š” ๊ธฐ๋ณธ์ ์ธ ์›์น™์ด์ฃ .
06:45
And it's not just eggs that it applies to,
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๋‹ฌ๊ฑ€ ์•„๋‹Œ ๋‹ค๋ฅธ ๊ณณ์—์„œ๋„ ์ด๋Ÿฐ ํ˜„์ƒ์„ ๋ณผ ์ˆ˜ ์žˆ์–ด์š”.
06:47
although it's really useful if you're the sort of person --
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์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ด๋Ÿฐ ์—ฐ๊ตฌ๋งŒ์„ ํ•˜๋Š” ์‚ฌ๋žŒ์ด๋ผ๋ฉด ๋„์›€์ด ๋˜๊ฒ ์ง€๋งŒ
06:50
and apparently, these people do exist --
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๋ฌผ๋ก  ๊ทธ๋Ÿฐ ์‚ฌ๋žŒ๋“ค์€ ์žˆ์ฃ .
06:52
who will boil eggs and then put them back in the fridge.
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๋‹จ์ˆœํžˆ ๋‹ฌ๊ฑ€์„ ์‚ถ์•„์„œ ๋ƒ‰์žฅ๊ณ ์— ๋ณด๊ด€ํ•ด ๋‘๋Š”
06:55
Who does that? Don't admit to it -- it's OK. We won't judge you.
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๊ทธ๋Ÿฐ ์‚ฌ๋žŒ๋“ค์€ ๋ˆ„๊ตด๊นŒ์š”?, ์‹œ์ธํ•˜์ง€ ๋งˆ์„ธ์š”. ์ง€๊ธˆ ๋ญ๋ผ ๊ทธ๋Ÿฌ๋Š” ๊ฑด ์•„๋‹™๋‹ˆ๋‹ค.
06:58
But it's also got much broader applicabilities.
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์ด ํ˜„์ƒ์€ ๋‹ค๋ฅธ ๋ถ„์•ผ์—์„œ๋„ ํญ๋„“๊ฒŒ ์ ์šฉ ๊ฐ€๋Šฅํ•˜์ฃ .
07:01
This is the Hubble Space Telescope.
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ํ—ˆ๋ธ” ์šฐ์ฃผ ๋ง์›๊ฒฝ์ž…๋‹ˆ๋‹ค.
07:03
The Hubble Ultra Deep Field, which is a very tiny part of the sky.
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ํ—ˆ๋ธ” ์šธํŠธ๋ผ ๋”ฅ ํ•„๋“œ๋Š” ์ €๋ ‡๊ฒŒ ๋„“์€ ํ•˜๋Š˜์—์„œ ๋งค์šฐ ์ž‘์€ ํ˜•ํƒœ์— ๋ถˆ๊ณผํ•˜์ฃ .
07:06
Hubble has been floating in free space for 25 years,
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ํ—ˆ๋ธ”์€ 25๋…„ ๊ฐ„ ์šฐ์ฃผ ๊ณต๊ฐ„ ์•ˆ์— ์ž์œ ๋กœ์ด ๋–  ์žˆ์Šต๋‹ˆ๋‹ค.
07:09
not touching anything.
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์–ด๋–ค ๊ฒƒ์œผ๋กœ ๋ถ€ํ„ฐ์˜ ๋„์›€ ์—†์ด
07:11
And yet it can point to a tiny region of sky.
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ํ•˜๋Š˜์˜ ์–ด๋Š ์ž‘์€ ๊ณต๊ฐ„์„ ๋ณด์—ฌ์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
07:14
For 11 and a half days, it did it in sections,
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11์ผ ํ•˜๊ณ ๋„ ์ ˆ๋ฐ˜ ๊ฐ€๋Ÿ‰์˜ ๋‹จ๋ฉด์ ์ธ ์˜์ƒ์„ ๊ธฐ๋กํ•ด ์ค๋‹ˆ๋‹ค.
07:18
accurately enough to take amazing images like this.
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์ด๋ ‡๊ฒŒ ๋†€๋ผ์šธ ๋งŒํ•œ ์˜์ƒ์„ ๊ธฐ๋กํ•ด ๋‘ก๋‹ˆ๋‹ค.
07:21
So the question is:
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์—ฌ๊ธฐ์„œ ์งˆ๋ฌธ ํ•˜๋‚˜ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
07:22
How does something that is not touching anything
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์–ด๋””์— ๋ฌด์—‡์ด ์žˆ๋Š”์ง€๋ฅผ ์–ด๋–ป๊ฒŒ ์•Œ ์ˆ˜ ์žˆ์„๊นŒ์š”?
07:24
know where it is?
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ํŠน๋ณ„ํ•œ ๋„์›€์—†์ด ๋ง์ด์ฃ .
07:26
The answer is that right in the middle of it, it has something
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์ •๋‹ต์€, ํ—ˆ๋ธ” ์šฐ์ฃผ ๋ง์›๊ฒฝ ์•ˆ์— ์–ด๋–ค ๊ฒƒ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
07:29
that, to my great disappointment, isn't a raw egg,
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์•ˆํƒ€๊น๊ฒŒ๋„ ๋‚  ๋‹ฌ๊ฑ€๋กœ๋Š” ์•Œ ์ˆ˜ ์—†๊ณ ์š”.
07:31
but basically does the same job.
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ํ•˜์ง€๋งŒ ๋น„์Šทํ•œ ๋งฅ๋ฝ์ž…๋‹ˆ๋‹ค.
07:32
It's got gyroscopes which are spinning,
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๊ณ„์†ํ•ด์„œ ํšŒ์ „ํ•˜๋Š” ์ž์ด๋กœ์Šค์ฝ”ํ”„๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
07:34
and because of the law of conservation of angular momentum,
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๊ฐ์šด๋™๋Ÿ‰์˜ ๋ณด์กด๋ฒ•์น™์œผ๋กœ
07:37
they keep spinning with the same axis, indefinitely.
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์ž์ด๋กœ์Šค์ฝ”ํ”„๋Š” ๊ฐ™์€ ์ถ•์œผ๋กœ ๊ณ„์† ๋Š์ž„์—†์ด ํšŒ์ „ํ•ฉ๋‹ˆ๋‹ค.
07:40
Hubble kind of rotates around them, and so it can orient itself.
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ํ—ˆ๋ธ”์ด ๊ทธ์ฃผ์œ„๋ฅผ ๋Œ๋ฉด์„œ ์ž์ฒด์ ์œผ๋กœ ํšŒ์ „ํ•˜๋Š” ๋ฐฉ์‹์ž…๋‹ˆ๋‹ค.
07:43
So the same little physical law we can play with in the kitchen and use,
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์ฃผ๋ฐฉ์—์„œ ์šฐ๋ฆฌ๊ฐ€ ์ด์šฉํ•˜๋Š” ํŠน๋ณ„ํ•˜์ง€ ์•Š์€ ๋ฌผ๋ฆฌ์  ๋ฒ•์น™์œผ๋กœ
07:47
also explains what makes possible some of the most advanced technology
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์ด ์‹œ๋Œ€์— ๋ช‡๋ช‡ ์ง„๋ณด๋œ ๊ธฐ์ˆ ์„
07:52
of our time.
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์„ค๋ช… ๊ฐ€๋Šฅ์ผ€ ํ•ฉ๋‹ˆ๋‹ค.
07:53
So this is the fun bit of physics, that you learn these patterns
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์ด๋Ÿฌํ•œ ํŒจํ„ด๋“ค์„ ์•Œ๊ฒŒ๋˜๋ฉด ๋ฌผ๋ฆฌํ•™์ด ์žฌ๋ฐŒ์–ด ์ง€๊ณ 
07:57
and then you can apply them again and again and again.
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๊ทธ๋Ÿฐ ํŒจํ„ด๋“ค๋กœ ๋Š์ž„์—†์ด ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
08:00
And it's really rewarding when you spot them in new places.
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๊ฒฐ๊ตญ, ์ƒˆ๋กœ์šด ๋ถ„์•ผ์— ์ ์šฉ์‹œํ‚ค์„œ ๊ฐ€์น˜๋ฅผ ๋ฐœ๊ฒฌํ•˜๋Š” ๊ฒ๋‹ˆ๋‹ค.
08:03
This is the fun of physics.
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์ด๊ฒƒ์ด ๋ฌผ๋ฆฌํ•™์ด ์ฃผ๋Š” ์ฆ๊ฑฐ์›€์ž…๋‹ˆ๋‹ค.
08:04
I have shown that egg video to an audience full of businesspeople once
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์ €๋Š” ์ข€์ „ ๋‹ฌ๊ฑ€ ๋น„๋””์˜ค๋ฅผ ์ผ๋ฐ˜ ํšŒ์‚ฌ์›๋“ค์—๊ฒŒ ๋ณด์—ฌ์ค„ ๊ธฐํšŒ๊ฐ€ ์žˆ์—ˆ์ฃ .
08:09
and they were all dressed up very smartly and trying to impress their bosses.
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๊ทธ๋“ค ๋ชจ๋‘ ์ž˜ ์ฐจ๋ ค ์ž…์—ˆ์Šต๋‹ˆ๋‹ค. ๋ญ, ์œ—์„ ๋“ค์—๊ฒŒ ์ž˜ ๋ณด์ด๋ คํ•˜๋Š”....
08:13
And I was running out of time, so I showed the egg video and then said,
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์‹œ๊ฐ„์ด ์—†์–ด์„œ ๋‹ฌ๊ฑ€ ๋น„๋””์˜ค๋ฅผ ๋ณด์—ฌ์ฃผ์—ˆ์ฃ .
08:17
"Well, you can work it out, and ask me afterwards to check."
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๊ทธ๋“ค์—๊ฒŒ ์ •๋‹ต์„ ์ƒ๊ฐํ•ด๋ณด๊ณ  ์งˆ๋ฌธ์€ ์ž ์‹œํ›„์— ๋ฐ›์•„๋ณด๊ธฐ๋กœ ํ•˜๊ณ 
08:20
Then I left the stage.
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์ €๋Š” ์ž๋ฆฌ๋ฅผ ๋น„์› ์ฃ .
08:21
And I had, literally,
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์ค‘๋…„์˜ ๋‚จ์„ฑ์ด ์ œ ์†Œ๋งค๋ฅผ
08:22
middle-aged grown men tugging on my sleeve afterwards,
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๋‹น๊ธฐ๋ฉด์„œ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
08:25
saying, "Is it this? Is it this?"
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์ด๊ฑฐ ๋งž์ฃ ? ๊ทธ์ตธ?
08:27
And when I said, "Yes." They went, "Yes!"
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์ œ๊ฐ€ ๋งž์•˜๋‹ค๊ณ  ํ•˜๋‹ˆ๊นŒ ์ข‹์•„์„œ ์ด๋ ‡๊ฒŒ ํ•˜๋”๊ตฐ์š”.
08:29
(Laughter)
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(์›ƒ์Œ)
08:30
The joy that you get from spotting these patterns
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ํŒจํ„ด๋“ค์„ ์•Œ์•„๊ฐ€๋Š” ์ฆ๊ฑฐ์›€
08:32
doesn't go away when you're an adult.
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์„ฑ์ธ์ด๋ผ๊ณ  ํ•ด์„œ ์‚ฌ๋ผ์ง€๋Š” ๊ฑด ์•„๋‹™๋‹ˆ๋‹ค.
08:34
And that's really important,
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๊ทธ๊ฒƒ์ด ๋งค์šฐ ์ค‘์š”ํ•˜๋‹ค๊ณ  ๋ด…๋‹ˆ๋‹ค.
08:36
because physics is all about patterns,
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๋ฌผ๋ฆฌํ•™์€ ๋ชจ๋‘ ํŒจํ„ด์œผ๋กœ ์ด๋ฃจ์–ด ์ง€๊ธฐ ๋•Œ๋ฌธ์ด์ฃ .
08:39
and a small number of patterns give you access
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๋‹จ์ง€ ๋ช‡๊ฐœ์˜ ๊ทธ๋Ÿฐ ํŒจํ„ด๋“ค์ด
08:41
to almost all of the physics in our everyday world.
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์šฐ๋ฆฌ์˜ ์ผ์ƒ์•ˆ์— ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.
08:45
The thing that's best about this is it involves playing with toys.
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๊ฐ€์žฅ ๋Œ€ํ‘œ์ ์ธ ์˜ˆ๋กœ๋Š” ์žฅ๋‚œ๊ฐ์„ ์žˆ์Šต๋‹ˆ๋‹ค.
08:48
Things like the egg shouldn't be dismissed as the mundane little things
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์˜์ƒ์—์„œ์˜ ๋‹ฌ๊ฑ€๋†€์ด๋ฅผ ํ† ์š”์ผ ์˜คํ›„ ์•„์ด๋“ค์—๊ฒŒ ์ฃผ๋Š”
08:52
that we just give the kids to play with on a Saturday afternoon
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์ž‘๊ณ  ์‹œ๊ฐ„๋ณด๋‚ด๊ธฐ์šฉ์ธ ์žฅ๋‚œ๊ฐ์œผ๋กœ ์—ฌ๊ฒจ์„  ์•ˆ๋ฉ๋‹ˆ๋‹ค.
08:55
to keep them quiet.
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์•„์ด๋“ค์˜ ์†Œ๋ž€ ๋ฐฉ์ง€์šฉ์œผ๋กœ ๋ง์ด์ฃ .
08:56
This is the stuff that actually really matters,
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๋‹ฌ๊ฑ€๋†€์ด๋Š” ๋งค์šฐ ์ค‘์š”ํ•œ ์˜๋ฏธ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ์–ด์š”.
08:58
because this is the laws of the universe and it applies to eggs
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์šฐ์ฃผ์˜ ๋ฒ•์น™์ธ ๋™์‹œ์— ๊ทธ๊ฒƒ์„ ๋‹ฌ๊ฑ€์— ์ ์šฉ์‹œ์ผฐ๋‹ค๋Š” ๊ฒ๋‹ˆ๋‹ค.
09:01
and toast falling butter-side down and all sorts of other things,
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ํ† ์ŠคํŠธ๋Š” ํ•ญ์ƒ ๋ฒ„ํ„ฐ ๋ฐ”๋ฅธ ๋ถ€๋ถ„์ด ์•„๋ž˜๋ฅผ ํ–ฅํ•ด์„œ ๋–จ์–ด์ง€๋Š”์ง€
09:05
just as much as it applies to modern technology
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ํ˜น์€ ์ด์™€ ๊ฐ™์€ ๋งŽ์€ ๋ถ€๋ถ„๋“ค์ด ํ˜„๋Œ€๊ธฐ์ˆ ์— ์ ์šฉ๋˜๊ณ  ์žˆ๋‹ต๋‹ˆ๋‹ค.
09:07
and anything else that's going on in the world.
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๊ทธ๋ฆฌ๊ณ  ์ง€๊ธˆ ์šฐ๋ฆฌ๊ฐ€ ์•Œ ์ˆ˜๊ฐ€ ์—†๋Š” ๋ถ„์•ผ์—๋„ ๋ง์ด์ฃ .
09:09
So I think we should play with these patterns.
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์šฐ๋ฆฌ๋Š” ์ด๋Ÿฐ ํŒจํ„ด๋“ค์„ ์ฃผ์˜๊นŠ๊ฒŒ ๊ด€์ฐฐํ•ด์•ผ ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•ด์š”.
09:13
Basically, there are a small number of concepts
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์†Œ์†Œํ•˜์ง€๋งŒ ์•„์ฃผ ๊ธฐ๋ณธ์ ์ธ ์ผ๋ถ€ ๊ฐœ๋…๋“ค์ด ์žˆ์Šต๋‹ˆ๋‹ค.
09:15
that you can become familiar with using things in your kitchen,
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์ฃผ๋ฐฉ์—์„œ ๋ด์™”๋˜ ๊ฒƒ๋“ค๊ณผ ๋งค์šฐ ๋น„์Šทํ•˜์ฃ .
09:18
that are really useful for life in the outside world.
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๋‹จ์ง€ ๊ทธ ์žฅ์†Œ๊ฐ€ ๋ฐ–์ด๋ผ๋Š” ๊ฒƒ ๋ฟ์ด์ฃ .
09:21
If you want to learn about thermodynamics, a duck is a good place to start,
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์—ฌ๋Ÿฌ๋ถ„๊ป˜์„œ ์—ด์—ญํ•™์„ ์•Œ๊ณ ์ž ํ•œ๋‹ค๋ฉด, ์˜ค๋ฆฌ๋ฅผ ์ƒ๊ฐํ•˜์‹œ๋Š” ๊ฒƒ์ด ์ œ์ผ ๋น ๋ฆ…๋‹ˆ๋‹ค.
09:25
for example, why their feet don't get cold.
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์˜ˆ๋กœ, ์–ผ์Œ ์œ„์— ์˜ค๋ฆฌ๋ฐœ์€ ์™œ ๋™์ƒ์— ๊ฑธ๋ฆฌ์ง€ ์•Š์ง€?
09:27
Once you've got a bit of thermodynamics with the duck,
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์˜ค๋ฆฌ๋ฅผ ํ†ตํ•ด ์—ด์—ญํ•™์„ ์กฐ๊ธˆ์ด๋‚˜๋งˆ ์•Œ๊ฒŒ ๋๋‹ค๋ฉด
09:29
you can also explain fridges.
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๋ƒ‰์žฅ๊ณ ์˜ ์›๋ฆฌ๋ฅผ ์ดํ•ดํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
09:31
Magnets that you can play with in your kitchen
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์ฃผ๋ฐฉ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์ž์„์˜ ๊ฒฝ์šฐ
09:34
get you to wind turbines and modern energy generation.
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์šฐ๋ฆฐ ์ž์„์„ ํ†ตํ•ด ํ’์ฐจ์™€ ํ˜„๋Œ€์˜ ์—๋„ˆ์ง€ ์ƒ์„ฑ์„ ์ดํ•ดํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
09:38
Raisins in [fizzy] lemonade, which is always a good thing to play with.
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๋ ˆ๋ชจ๋„ค์ด๋“œ์— ๊ฑดํฌ๋„ ๋„ฃ๊ธฐ, ์ด ๋˜ํ•œ ์žฌ๋ฐŒ๋Š” ๋†€์ด์ฃ .
09:41
If you're at a boring party, fish some raisins out of the bar snacks,
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๋”ฐ๋ถ„ํ•œ ํŒŒํ‹ฐ์— ์ฐธ์„ํ–ˆ๋‹ค๋ฉด ์‹ํƒ์— ๋†“์ธ ๊ฑดํฌ๋„๋ฅผ ๊บผ๋‚ด๋ณด์„ธ์š”.
09:44
put them in some lemonade.
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๊ทธ๋ฆฌ๊ณ  ๊ฑดํฌ๋„๋ฅผ ๋ ˆ๋ชจ๋„ค์ด๋“œ์— ๋„ฃ๊ธฐ๋งŒ ํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค.
09:46
It's got three consequences.
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์ด๋•Œ ์„ธ ๊ฐ€์ง€ ํ˜„์ƒ์ด ๋ฐœ์ƒํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
09:48
First thing is, it's quite good to watch; try it.
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์ผ๋‹จ ์‚ฌ๋žŒ๋“ค์ด ๋ณผ๊ฑฐ๋ฆฌ๊ฐ€ ์ƒ๊ธฐ๊ณ  ๋‹ค ํ•œ๋ฒˆ์”ฉ ๋”ฐ๋ผํ•˜๊ฒŒ ๋ผ์š”.
09:50
Secondly, it sends the boring people away.
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๋‘˜์งธ, ํŒŒํ‹ฐ์— ์ง€๋ฃจํ•ด ํ•˜๋Š” ์‚ฌ๋žŒ๋“ค์€ ๋ณด์ž๋งˆ์ž ์ง‘์œผ๋กœ ๊ฐ€๊ณ ์š”.
09:53
Thirdly, it brings the interesting people to you.
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๋งˆ์ง€๋ง‰์—”, ์—ฌ๋Ÿฌ๋ถ„๋“ค์„ ์žฌ๋ฏธ์žˆ๋Š” ์‚ฌ๋žŒ์œผ๋กœ ๋ด์ฃผ๊ฒŒ ๋˜์ฃ .
09:55
You win on all fronts.
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์–ด๋Š ์žฅ์†Œ๋“  ์‚ฌ๋žŒ๋“ค์„ ์‚ฌ๋กœ์žก์„ ์ˆ˜ ์žˆ์–ด์š”.
09:56
And then there's spin and gas laws and viscosity.
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์—ฌ๊ธฐ์— ํŒจํ„ด๋“ค์€ ํšŒ์ „, ๊ธฐ์ฒด ๋ฒ•์น™๊ณผ, ์ ์„ฑ์ด ์ด์šฉ๋์–ด์š”.
10:00
There's these little patterns, and they're right around us everywhere.
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์ด๋Ÿฐ๋“ค์€ ์†Œ์†Œํ•œ ๋ฒ•์น™๋“ค์ด๋ฉฐ, ์šฐ๋ฆฌ์ฃผ์œ„์—์„œ ์–ธ์ œ๋‚˜ ๋ณผ ์ˆ˜ ์žˆ์ฃ .
10:03
And it's fundamentally democratic, right?
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๊ฐ€์žฅ ๋ฏผ์ฃผ์ ์ธ ๋ฐฉ์‹์ด๋ผ๊ณ  ๋ณผ ์ˆ˜ ์žˆ์ž–์•„์š”?
10:07
Everybody has access to the same physics; you don't need a big, posh lab.
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ํ˜ธํ™”๋กœ์šด ์‹คํ—˜์‹ค ์—†์ด, ๋ชจ๋‘๊ฐ€ ๋˜‘๊ฐ™์€ ๋ฌผ๋ฆฌํ•™์„ ๊ฒฝํ—˜ํ•  ์ˆ˜ ์žˆ์–ด์š”.
10:11
When I wrote the book, I had the chapter on spin.
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์ œ๊ฐ€ ์ฑ…์„ ์“ฐ๊ฒŒ ๋˜์—ˆ์„ ๋•Œ, ํšŒ์ „์˜ ์ด๋ก ์„ ๋‹ค๋ค˜์Šต๋‹ˆ๋‹ค.
10:15
I had written a bit about toast falling butter-side down.
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์•„๊นŒ ๋งํ•œ, ๋ฒ„ํ„ฐ ๋ฐ”๋ฅธ ์ชฝ์˜ ๋นต์ด ์™œ ์•„๋ž˜๋ฅผ ํ–ฅํ•ด์„œ ๋–จ์–ด์ง€๋Š” ์ด์œ ๋„ ์ผ์ฃ .
10:17
I gave the chapter to a friend of mine who's not a scientist,
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๊ณผํ•™์ž๊ฐ€ ์•„๋‹Œ ์ œ ์นœ๊ตฌ์— ์ฑ…์„ ๋ณด์—ฌ ์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค.
10:20
for him to read and tell me what he thought,
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์†Œ๊ฐ์ด๋‚˜ ๋Š๋‚€ ์ ์„ ์•Œ๊ณ  ์‹ถ์—ˆ์—ˆ์ฃ .
10:22
and he took the chapter away.
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์นœ๊ตฌ๋Š” ๊ฐ–๊ณ  ๊ฐ”์Šต๋‹ˆ๋‹ค.
10:26
He was working overseas.
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ํ•ด์™ธ์—์„œ ์ผ์„ ํ•˜๊ฑฐ๋“ ์š”.
10:27
I got this text message back from him a couple of weeks later,
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2์ฃผํ›„, ๊ทธ ์นœ๊ตฌ๋กœ ๋ถ€ํ„ฐ ๋ฌธ์ž ๋ฉ”์„ธ์ง€๋ฅผ ๋ฐ›๊ฒŒ ๋์–ด์š”.
10:30
and it said, "I'm at breakfast in a posh hotel in Switzerland,
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"์ง€๊ธˆ ์Šค์œ„์Šค ํ•œ ํ˜ธํ™”๋กœ์šด ํ˜ธํ…”์—์„œ ์•„์นจ ์‹์‚ฌ์ค‘
10:34
and I really want to push toast off the table,
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๊ทผ๋ฐ ๋ฒ„ํ„ฐ ๋ฐ”๋ฅธ ๋นต์„ ๋–จ์–ด๋œจ๋ฆฌ๊ณ  ์‹ถ์–ด์„œ ๋ฏธ์น˜๊ฒ ์–ด.
10:37
because I don't believe what you wrote."
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๋„ˆ๊ฐ€ ์“ด ์ฑ…์˜ ๋‚ด์šฉ์ด ๋ฏฟ๊ธฐ์ง€๊ฐ€ ์•Š์•„!" ๋ผ๊ณ  ๋ฌธ์ž๋ฅผ ํ–ˆ์–ด์š”.
10:39
And that was the good bit -- he doesn't have to.
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๋งค์šฐ ์ข‹์€ ๋ฐ˜์‘์ž…๋‹ˆ๋‹ค. ๊ทธ ์นœ๊ตฌ๊ฐ€ ๊ทธ๋ ‡๊ฒŒ ํ•  ํ•„์š”๊ฐ€ ์—†๋Š”๋ฐ ๋ง์ด์ฃ .
10:42
He can push the toast off the table and try it for himself.
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๊ทธ ์นœ๊ตฌ ์ฃผ์œ„์—์„œ ์ผ์–ด๋‚˜๋Š” ๋ฒ•์น™๋“ค์ด๋ฉฐ, ๊ทธ๋Ÿฐ ๋ฒ•์น™๋“ค์„ ์นœ๊ตฌ๋„ ๋ณด๊ณ  ์‹ถ์€ ๊ฒ๋‹ˆ๋‹ค.
10:45
And so there's two important things to know about science:
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๊ณผํ•™์„ ๋ฐ”๋กœ ์•Œ๊ธฐ ์œ„ํ•ด์„ , ๋‘ ๊ฐ€์ง€์˜ ์ค‘์š”ํ•œ ์š”์†Œ๋“ค์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
10:49
the fundamental laws we've learned through experience and experimentation,
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์šฐ๋ฆฌ๊ฐ€ ๊ฒฝํ—˜๊ณผ ์‹คํ—˜์„ ํ†ตํ•ด, ์Šต๋“ํ•œ ์•„์ฃผ ๊ธฐ๋ณธ์ ์ธ ๋ฒ•์น™๋“ค์€
10:53
work.
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๋ชจ๋‘ ์ˆœ์‘ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
10:55
The day we drop an apple and it goes up,
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ํ•˜์ง€๋งŒ ์‚ฌ๊ณผ๊ฐ€ ๋‚™ํ•˜ ํ•˜๊ณ  ๋‹ค์‹œ ์˜ฌ๋ผ๊ฐ„๋‹ค ๋ผ๊ณ  ํ•˜๋ฉด
10:57
then we'll have a debate about gravity.
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๊ทธ๋Ÿฌ๋ฉด ๊ณผํ•™๊ณ„์—์„  ์ค‘๋ ฅ์— ๋Œ€ํ•œ ๋…ผ๋ž€์— ์ง๋ฉดํ•˜๊ฒŒ ๋ ๊ฑฐ์˜ˆ์š”.
10:59
Up to that point, we basically know how gravity works,
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์ง€๊ธˆ๊นŒ์ง€ ์šฐ๋ฆฐ ์ค‘๋ ฅ์ด๋ž€ ์•„์ฃผ ๊ธฐ๋ณธ์ ์ธ ์›๋ฆฌ๋ฅผ ์•„๋Š”๋ฐ์š”.
11:01
and we can learn the framework.
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๊ทธ ๊ตฌ์กฐ ๋˜ํ•œ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
11:03
Then there's the process of experimentation:
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๊ทธ ๋‹ค์Œ์—”, ์‹คํ—˜์ด๋ผ๋Š” ๊ณผ์ •์ด ํ•„์š”ํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
11:05
having confidence in things, trying things out,
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์‹ ๋ขฐ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ์ด๋ฃจ์–ด์ ธ์•ผ ํ•˜์ฃ .
11:07
critical thinking -- how we move science forward --
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๊ณผํ•™์˜ ์ง„๋ณด๋ฅผ ์ƒ๊ฐํ•˜๋Š” ๋ƒ‰์ฒ ํ•œ ์‚ฌ๊ณ ๋„ ์ค‘์š”ํ•ด์š”.
11:10
and you can learn both of those things
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์ด ๋‘ ๊ฐ€์ง€ ๋ชจ๋‘๋ฅผ ์ดํ•ดํ•  ์ˆ˜ ์žˆ์–ด์š”.
11:12
by playing with toys in the everyday world.
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์ผ์ƒ์—์„œ ์žฅ๋‚œ๊ฐ ๋†€์ด๋ฅผ ํ†ตํ•ด์„œ ๋ง์ด์ฃ .
11:15
And it's really important,
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์ด๋Š” ๋งค์šฐ ์ค‘์š”ํ•ฉ๋‹ˆ๋‹ค.
11:17
because there's all this talk about technology,
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์ด๋ฅผ ๊ทผ๊ฑฐ๋กœ ๊ณผํ•™๊ธฐ์ˆ ์˜ ๋Œ€ํ™”๊ฐ€ ์ด๋ฃจ์–ด์ง€๋ฉฐ
11:19
we've heard talks about quantum computing
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์–‘์ž ์ปดํ“จํ„ฐ ์‹œ๋ฎฌ๋ ˆ์ด์…˜์— ๋Œ€ํ•œ ์ด๋ก ๋“ค์„ ์•Œ๊ฒŒ๋˜๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
11:21
and all these mysterious, far-off things.
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ํ•˜๋‚˜๊ฐ™์ด ๊ธฐ์ดํ•˜๊ณ , ์ค‘์š”ํ•˜์ง€ ์•Š์•„ ๋ณด์—ฌ๋„ ๋ง์ด์ฃ .
11:23
But fundamentally, we still live in bodies that are about this size,
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ํ™˜๊ฒฝ์— ๋งž๋Š” ๋ฒ•์น™์•„๋ž˜์˜ ์šฐ๋ฆฌ๋Š” ์ƒํ™œ์„ ํ•ฉ๋‹ˆ๋‹ค.
11:27
we still walk about, sit on chairs that are about this size,
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์šฐ๋ฆฌ๊ฐ€ ๊ฑธ์„ ๋•Œ๋‚˜ ์•‰์„ ๋•Œ๋‚˜ ์ ์šฉ๋˜๋Š” ๋ฒ•์น™๋“ค์— ์˜ํ•ด
11:30
we still live in the physical world.
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์šฐ๋ฆฌ๋Š” ๋ฌผ๋ฆฌํ•™์ด๋ž€ ์„ธ๊ณ„์†์—์„œ ์ง€๊ธˆ๊นŒ์ง€ ์‚ด ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
11:32
And being familiar with these concepts means we're not helpless.
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์ด๋Ÿฐ ๊ฐœ๋…๋“ค์˜ ์ต์ˆ™ํ•ด ์ง€๋ฉด, ์šฐ๋ฆฌ์—๊ฒŒ ํฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค.
11:36
And I think it's really important that we're not helpless,
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์šฐ๋ฆฌ์‚ฌํšŒ ์ž์ฒด๊ฐ€ ๋ชจ๋“ ๊ฒƒ์„ ๊ทธ๋Ÿฐ ๊ด€์ ์œผ๋กœ ๋ณด๋ฉด
11:39
that society feels it can look at things,
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๋งค์šฐ ์˜๋ฏธ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
11:41
because this isn't about knowing all the answers.
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๋ชจ๋“  ์ •๋‹ต์„ ์•Œ๋ ค๊ณ  ํ•ด์„œ๊ฐ€ ์•„๋‹ˆ๋ผ
11:44
It's about having the framework so you can ask the right questions.
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๊ด€๋ จ๋œ ํ‹€์ด๋‚˜ ์ฒด์ œ๊ฐ€ ์žˆ๊ธฐ์— ์šฐ๋ฆฐ ์˜ฌ๋ฐ”๋ฅธ ์งˆ๋ฌธ์„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
11:47
And by playing with these fundamental little things in everyday life,
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์šฐ๋ฆฌ ์‚ถ ์†์— ์•„์ฃผ ๊ธฐ์ดˆ์ ์ธ ๊ฒƒ๋“ค ์ดํ•ดํ•˜๊ณ  ์ƒ๊ฐํ•ด ๋ณด๋ ค๊ณ  ํ• ๋•Œ
11:51
we gain the confidence to ask the right questions.
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์šฐ๋ฆฌ ๊ณผํ•™๊ณ„๋Š” ์˜ฌ๋ฐ”๋ฅธ ์งˆ๋ฌธ์— ๋‹ตํ•  ์ˆ˜ ์žˆ๋Š” ๋ฏฟ์Œ์ด ์ƒ๊ธฐ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
11:54
So, there's a bigger thing.
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์ด๋Š” ์—„์ฒญ๋‚œ ์˜๋ฏธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
11:55
In answer to Nana's question
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์ €์˜ ํ• ๋จธ๋‹ˆ์˜ ์งˆ๋ฌธ์˜ ๋‹ต์„ ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
11:57
about what can you do when you know that --
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๊ทธ๊ฒƒ์„ ์•Œ๋ฉด, ๋ฌด์—‡์„ ํ•  ์ˆ˜ ์žˆ๋Š”์ง€....
11:59
because there's lots of stuff in the everyday world
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์ผ์ƒ์— ๋งŽ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
12:01
that you can do when you know that,
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๋ฌด์–ธ๊ฐ€๋ฅผ ์•Œ๊ฒŒ ๋  ๋•Œ, ๋ฌด์—‡์„ ์šฐ๋ฆฌ๊ฐ€ ํ•  ์ˆ˜ ์žˆ๋Š”์ง€๋ฅผ์š”.
๋ƒ‰์žฅ๊ณ  ์•ˆ์— ๋‹ฌ๊ฑ€์— ๋Œ€ํ•ด์„œ ๋ฌด์–ธ๊ฐ€๋ฅผ ์•Œ๊ฒŒ ๋๋‹ค๋ฉด
12:03
especially if you've got eggs in the fridge --
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12:06
there's a much deeper answer.
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์•„์ฃผ ๊นจ์•Œ๊ฐ™์€ ํ•ด๋‹ต์„ ์–ป์„ ์ˆ˜ ์žˆ๋‹ต๋‹ˆ๋‹ค.
12:08
And so there's all the fun and the curiosity
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๋ฌด์ˆ˜ํ•œ ํ˜ธ๊ธฐ์‹ฌ์„ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
12:10
that you could have playing with toys.
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์žฅ๋‚œ๊ฐ์„ ๊ฐ€์ง€๊ณ  ๋†€๋ฉด์„œ ๋ง์ด์ฃ .
12:12
By the way -- why should kids have all the fun, right?
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์•„์ด๋“ค์€ ๋‹ค ์žฌ๋ฐŒ์–ด ํ•˜์ž–์•„์š”, ๊ทธ๋ ‡์ฃ ?
12:16
All of us can have fun playing with toys,
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์šฐ๋ฆฐ ์žฅ๋‚œ๊ฐ์„ ํ†ตํ•ด ์ฆ๊ฑฐ์Œ์„ ๋Š๋ผ์ฃ .
12:18
and we shouldn't be embarrassed about it.
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๋„ˆ๋ฌด ์ž์—ฐ์Šค๋Ÿฝ๊ฒŒ ๋ง์ด์ฃ .
12:20
You can blame me, it's fine.
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์ € ๋•Œ๋ฌธ์ผ ๊ฒ๋‹ˆ๋‹ค, ์ƒ๊ด€์—†์–ด์š”.
12:22
So when it comes to reasons for studying physics, for example,
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๋ฌผ๋ฆฌํ•™์„ ๊ณต๋ถ€ํ•˜๋Š” ์ด์œ ์— ๋Œ€ํ•ด์„œ ์•Œ์•„ ๋ณผ๊ฒŒ์š”.
12:27
here is the best reason I can think of:
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์ œ๊ฐ€ ์ƒ๊ฐํ•œ ๊ฐ€์žฅ ์ตœ์ ์˜ ์ด์œ ๋Š” ๋ฐ”๋กœ
12:30
I think that each of us has three life-support systems.
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์šฐ๋ฆฌ ๋ชจ๋‘ ๊ฐ๊ฐ ์„ธ ๊ฐ€์ง€์˜ ์ƒ๋ช… ์œ ์ง€์žฅ์น˜๊ฐ€ ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•ด ๋ณผ๊ฒŒ์š”.
12:34
We've got our own body, we've got a planet
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์šฐ๋ฆฌ์—๊ฒ ์‹ ์ฒด์™€, ์ง€๊ตฌ
12:36
and we've got our civilization.
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๊ทธ๋ฆฌ๊ณ  ๋ฌธ๋ช…์ž…๋‹ˆ๋‹ค.
12:38
Each of those is an independent life-support system,
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์ €๋งˆ๋‹ค ๋…๋ฆฝ์ ์ธ ์ƒ๋ช…์œ ์ง€์žฅ์น˜ ์ž…๋‹ˆ๋‹ค.
12:41
keeping us alive in its own way.
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๊ฐ๊ฐ์˜ ๋ฐฉ์‹์œผ๋กœ ์šฐ๋ฆฌ์—๊ฒŒ ์ƒ๋ช…๋ ฅ์„ ๊ฐ–๊ฒŒ ํ•ด์ฃผ์ฃ .
12:43
And they all run on the fundamental physical laws
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๊ทธ๋“ค์€ ๊ฐ€์žฅ ๊ธฐ๋ณธ์ ์ธ ๋ฌผ๋ฆฌ๋ฒ•์น™์œผ๋กœ ์ด๋ฃจ์–ด ์ง€๋Š”๋ฐ
12:46
that you can learn in the kitchen with eggs and teacups and lemonade,
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๋Œค๊ฑ€์ด๋‚˜, ํ‹ฐ์ปต, ๋ ˆ๋ชจ๋„ค์ด๋“œ๋ฅผ ํ†ตํ•ด ์ฃผ๋ฐฉ์—์„œ ์–ผ๋งˆ๋“ ์ง€ ๋ฐฐ์šธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
12:50
and everything else you can play with.
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๊ทธ๋ฆฌ๊ณ  ์žฅ๋‚œ๊ฐ์„ ํ†ตํ•ด ๋งŽ์€ ๊ฒƒ๋“ค์„ ์–ป์„ ์ˆ˜ ์žˆ์ฃ .
12:52
This is the reason, for example,
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์˜ˆ๋ฅผ ํ•˜๋‚˜ ๋“ค์–ด๋ณผ๊ฒŒ์š”.
12:53
why something like climate change is such a serious problem,
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๊ธฐํ›„๋ณ€ํ™” ๊ฐ™์€ ์ด์Šˆ๋“ค, ๋งค์šฐ ํฐ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค.
12:56
because It's two of these life-support systems,
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์ด ์„ธ ๊ฐ€์ง€์˜ ์ƒ๋ช…์œ ์ง€์žฅ์น˜ ์ค‘์— ๋‘ ๊ฐ€์ง€๊ฐ€ ์ด์— ์†ํ•ฉ๋‹ˆ๋‹ค.
12:59
our planet and our civilization,
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์ง€๊ตฌ์™€ ๋ฌธ๋ช… ์ž…๋‹ˆ๋‹ค.
13:00
kind of butting up against each other;
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์„œ๋กœ๊ฐ€ ๋Œ€๋ฆฝ์„ ํ•˜๊ณ  ์žˆ๋Š”๋ฐ์š”.
13:02
they're in conflict, and we need to negotiate that boundary.
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์ด ๋ฌธ์ œ์— ๋Œ€ํ•ด์„œ ์šฐ๋ฆฐ ๋…ผ์Ÿ๊ณผ, ํ•ด๊ฒฐ์ ์„ ์ฐพ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
13:05
And the fundamental physical laws that we can learn
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์šฐ๋ฆฌ๊ฐ€ ์•Œ ์ˆ˜ ์žˆ๋Š” ๊ฐ€์žฅ ๊ธฐ์ดˆ์ ์ธ ๋ฌผ๋ฆฌ์˜ ๋ฒ•์น™๋“ค์ด
13:08
that are the way the world around us works,
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์šฐ๋ฆฌ ์ฃผ์œ„์—์„œ ์ž‘์šฉํ•˜๋Š” ๊ฒƒ๋“ค์ธ๋ฐ์š”.
13:10
are the tools at the basis of everything;
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๋ชจ๋“  ๊ฒƒ์„ ๊ธฐ๋ฐ˜ํ•˜๋Š” ๋„๊ตฌ๊ฐ€ ๋œ๋‹ต๋‹ˆ๋‹ค.
13:13
they're the foundation.
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์ผ์ข…์˜ ๊ธฐํ‹€์ด ๋งˆ๋ จ์ด ๋˜๋Š”๊ฒ๋‹ˆ๋‹ค.
13:14
There's lots of things to know about in life,
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์šฐ๋ฆฌ์˜ ์‚ถ์„ ์•Œ๊ธฐ ์œ„ํ•ด์„  ๋งŽ์€ ๊ฒƒ๋“ค์„ ํ•„์š”๋กœ ํ•ฉ๋‹ˆ๋‹ค.
13:16
but knowing the foundations is going to get you a long way.
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ํ•˜์ง€๋งŒ ๊ทธ๋Ÿฐ ๊ธฐํ‹€์„ ์•Œ์•„๊ฐ€๊ธฐ์—๋Š” ์˜ค๋žœ ์‹œ๊ฐ„๊ณผ ๋น„๋ก€ํ•ฉ๋‹ˆ๋‹ค.
13:19
And I think this, if you're not interested in having fun with physics
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๋ฌผ๋ฆฌํ•™์˜ ์žฌ๋ฏธ์„ ๋Š๋ผ์ง€ ๋ชปํ•œ๋‹ค๋ฉด
13:23
or anything like that -- strange, but apparently, these people exist --
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์žˆ์„ ์ˆ˜ ์—†๋Š” ์ผ์ด์ง€๋งŒ ๋ถ„๋ช… ์žˆ์„ ๊ฑฐ์˜ˆ์š”.
13:27
you surely are interested in keeping yourself alive
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์—ฌ๋Ÿฌ๋ถ„๋“ค์€ ๋ถ„๋ช… ์šฐ๋ฆฌ๋ฅผ ์‚ด์•„๊ฐ€๊ฒŒ ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ๋“ค๊ณผ
13:31
and in how our life-support systems work.
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์ƒ๋ช…์œ ์ง€์žฅ์น˜์˜ ์ด๋ก ๋“ค์„ ๊ด€์‹ฌ์ด ์žˆ๊ฒŒ ๊ด€์ฐฐํ•  ๊ฒ๋‹ˆ๋‹ค.
13:33
The framework for physics is remarkably constant;
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๋ฌผ๋ฆฌํ•™์˜ ๊ธฐ์ดˆ๋Š” ๋ถ„๋ช… ๋ณ€ํ•จ์ด ์—†์œผ๋ฉฐ
13:38
it's the same in lots and lots of things that we measure.
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์šฐ๋ฆฌ๊ฐ€ ์ธก์ • ๊ฐ€๋Šฅํ•˜๊ณ  ๋˜‘๊ฐ™์ด ์ž‘์šฉํ•˜๋Š” ๋งŽ์€ ๊ฒƒ๋“ค์ด ์žˆ์Šต๋‹ˆ๋‹ค.
13:40
It's not going to change anytime soon.
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๋น ๋ฅธ ์‹œ์ผ๋‚ด์— ๋ณ€ํ•˜๋Š” ๊ฒƒ๋“ค๋„ ์•„๋‹™๋‹ˆ๋‹ค.
13:42
They might discover some new quantum mechanics,
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๊ทธ๋Ÿฐ ๊ธฐ์ดˆ๋“ค๋กœ ๋ช‡๋ช‡ ์ƒˆ๋กœ์šด ์–‘์ž์—ญํ•™๋“ค์„ ๋ฐœ๊ฒฌํ•˜๊ฒŒ ๋ ์ง€๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
13:44
but apples right here are still going to fall down.
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์ง€๊ตฌ์ƒ์˜ ์‚ฌ๊ณผ๋“ค์ด ์ค‘๋ ฅ์˜ ์˜ํ–ฅ์„ ๋ฐ›๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋ง์ด์ฃ .
13:47
So, the question is --
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๊ทธ๋ž˜์„œ ๋ฌธ์ œ๋Š”...
13:49
I get asked sometimes: How do you start?
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์ด๋”ฐ๊ธˆ ์งˆ๋ฌธ์„ ๋ฐ›์Šต๋‹ˆ๋‹ค, ์–ด๋–ป๊ฒŒ ์‹œ์ž‘ํ•˜๋‚˜์š”?
13:52
What's the place to start
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์–ด๋””์—์„œ ๋ถ€ํ„ฐ ์‹œ์ž‘ํ•˜๋ฉด ๋˜๋‚˜์š”?
13:53
if you're interested in the physical world, in not being helpless,
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๋ฌผ๋ฆฌํ•™์— ๊ด€์‹ฌ๋งŒ ์žˆ์œผ๋ฉด ๋˜๋‚˜์š”? ๊ด€๋ จ์„ฑ์ด ์—†์–ด๋„ ๋˜๋‚˜์š”?
13:56
and in finding some toys to play with?
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๋‹จ์ˆœํ•œ ์žฅ๋‚œ๊ฐ์„ ํ†ตํ•ด์„œ๋„ ์•Œ ์ˆ˜ ์žˆ๋‚˜์š”?
13:58
Here is my suggestion to you:
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ํ•œ ๊ฐ€์ง€ ์ œ์•ˆ์„ ํ•ด๋“œ๋ฆฌ์ง€์š”.
14:00
the place to start is that moment -- and adults do this --
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๊ทธ ์‹œ์ž‘์ ์€ ๋ฐ”๋กœ ์„ฑ์ธ๋“ค์ด ํ•˜๋Š” ๊ฑด๋ฐ...
14:06
you're drifting along somewhere,
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์–ด๋”˜๊ฐ€์—์„œ ํ—ค๋งค๊ณ  ์žˆ์„ ๋•Œ
14:08
and you spot something and your brain goes, "Oh, that's weird."
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๋ฌด์–ธ๊ฐ€๋ฅผ ๋ฐœ๊ฒฌํ•˜๋ฉด, ์šฐ๋ฆฌ์˜ ๋‡Œ๊ฐ€ ์˜ค? ์ด์ƒํ•˜๋„ค? ๋ผ๊ณ  ๋ฐ˜์‘ํ•˜๊ฒŒ ๋œ๋‹ค๋ฉด
14:11
And then your consciousness goes, "You're an adult. Keep going."
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์ˆœ๊ฐ„ ๋ฐ”๋กœ ์•Œ๊ณ , ๋‹ค๋ฅธ ์ชฝ ์œผ๋กœ ๋ฐฉํ–ฅ์„ ์ „ํ™˜ํ•˜์ฃ .
14:15
And that's the point -- hold that thought --
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๊ทธ๋Ÿฐ ์˜์‹์„ ๊ฐ–๊ณ  ์žˆ๋Š” ๊ฒƒ์ด ์ค‘์š”ํ•˜์ฃ .
14:18
that bit where your brain went, "Oh, that's a bit odd,"
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์šฐ๋ฆฌ์˜ ๋‡Œ๊ฐ€, "์˜คํ˜ธ!, ์กฐ๊ธˆ ์ด์ƒํ•˜๋„ค?" ๋ผ๊ณ  ๋ฐ˜์‘ํ•œ๋‹ค๋Š” ๊ฑด
14:21
because there's something there to play with,
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์–ด๋– ํ•œ ํ˜„์ƒ์ด ์กด์žฌํ•œ๋‹ค๋Š” ๊ฑธ ์•Œ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
14:23
and it's worth you playing with it,
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์ถฉ๋ถ„ํžˆ ๊ณ ๋ฏผํ•  ๊ฐ€์น˜๋ฅผ ์•„๋Š” ๊ฒ๋‹ˆ๋‹ค.
14:24
so that's the place to start.
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๊ทธ๊ฒŒ ์‹œ์ž‘์ ์ด ๋˜๋Š”๊ฑฐ๊ณ ์š”.
14:26
But if you don't have any of those little moments
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๊ทธ๋Ÿฌ๋‚˜ ์ „ํ˜€ ์ด๋Ÿฌํ•œ ๊ฒธํ—˜๋“ค์ด ์—†์—ˆ๋‹ค...
14:28
on your way home from this event,
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๊ท€๊ฐ€ํ•˜๋Š” ์ค‘์—๋„ ๋ง์ด์ฃ .
14:30
here are some things to start with.
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๊ทธ๋Ÿฌ๋ฉด, ์ด๊ฒƒ๋“ค ๋ถ€ํ„ฐ ํ•ด๋ณด์„ธ์š”.
14:31
Put raisins in [fizzy] lemonade; highly entertaining.
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๊ฑดํฌ๋„๋ฅผ ๋ ˆ๋ชฌ์—์ด๋“œ์— ๋„ฃ์–ด๋ณด์„ธ์š”, ๋งค์šฐ ์žฌ๋ฐŒ์Šต๋‹ˆ๋‹ค.
14:34
Watch a coffee spill dry.
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์—Ž์งˆ๋Ÿฌ์ง„ ์ปคํ”ผ๊ฐ€ ๋ง๋ผ๊ฐ€๋Š” ๊ณผ์ •์„ ์ง€์ผœ๋ณด์„ธ์š”.
14:36
I know that sounds a little bit like watching paint dry,
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์กฐ๊ธˆ ์žฌ๋ฏธ์—†๊ณ  ์ง€๋ฃจํ•˜๋‹ค๋Š” ๊ฑธ ์ €๋„ ์•Œ์ง€๋งŒ
14:38
but it does do quite weird things; it's worth watching.
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๊ธฐ์ดํ•œ ํ˜„์ƒ์ด ์ผ์–ด๋‚˜์š”, ๊ด€์ฐฐํ•ด ๋ณผ ๋งŒ ํ•ฉ๋‹ˆ๋‹ค.
14:42
I'm an acquired taste at dinner parties if there are teacups around.
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์ €๋Š” ์ €๋…ํŒŒํ‹ฐ์—์„œ ์‚ฌ๋žŒ๋“ค์—๊ฒŒ ๋‚˜์ค‘์— ๊ด€์‹ฌ์„ ๋ฐ›๋Š” ํƒ€์ž…์ธ๋ฐ, ์ฃผ์œ„์— ํ‹ฐ์ปต์ด ์žˆ๋‹ค๋ฉด
14:46
There are so many things you can do to play with teacups, it's brilliant.
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์šฐ๋ฆฐ ํ•  ์ˆ˜ ์žˆ๋Š” ๊ฒŒ ๋งŽ์„ ๊ฑฐ์˜ˆ์š”, ๋งค์šฐ ๊ธฐ๋ฐœํ•œ๋ฐ์š”.
14:49
The most obvious one is to get a teacup, get a spoon,
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๊ทธ ๋งŽ์€ ๊ฒƒ๋“ค์ค‘์˜ ์ฒซ ๋ฒˆ์งธ๋กœ๋Š” ํ‹ฐ์ปต๊ณผ ์Šคํ‘ผ์„ ์ค€๋น„ํ•˜์„ธ์š”.
14:53
tap the teacup around the rim and listen,
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์Šคํ‘ผ์œผ๋กœ ํ‹ฐ์ปต์˜ ๊ฐ€์žฅ์ž๋ฆฌ๋ฅผ ๋‘๋“œ๋ ค๋ณด์„ธ์š”, ๊ทธ๋ฆฌ๊ณ  ๊ท€๋ฅผ ๊ธฐ์šธ๋ ค ๋ณด์„ธ์š”.
14:55
and you will hear something strange.
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๊ธฐ์ดํ•œ ์†Œ๋ฆฌ๊ฐ€ ๋“ค๋ฆด ๊ฑฐ์˜ˆ์š”.
14:57
And the other thing is, push your toast off the table
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๋‘ ๋ฒˆ์งธ๋กœ๋Š”, ํ† ์ŠคํŠธ๋ฅผ ์‹ํƒ์—์„œ ๋ฐ‘์œผ๋กœ ๋–จ์–ด๋œจ๋ฆฌ๋Š” ๊ฒ๋‹ˆ๋‹ค.
15:00
because you can, and you'll learn stuff from it.
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์‰ฝ๊ฒŒ ํ•  ์ˆ˜ ์žˆ์ž–์•„์š”, ๊ฒŒ๋‹ค๊ฐ€ ์žฌ๋ฐŒ๋Š” ํ˜„์ƒ์„ ๋ฐ”๋กœ ์•Œ ์ˆ˜ ์žˆ์ฃ .
15:03
And if you're feeling really ambitious,
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์ง์ ‘ํ•˜๊ณ  ์‹ถ์€ ์˜์š•์ด ์ƒ๊ธฐ๋ฉด
15:05
try and push it off in such a way that it doesn't fall butter-side down,
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๋ฒ„ํ„ฐ๋ฐ”๋ฅธ ๋นต์ด ๋ฐ”๋‹ฅ๋ฉด์œผ๋กœ ๋‹ฟ์ง€ ์•Š๋Š”์ง€ ๋–จ์–ด๋œจ๋ ค๋ณด์„ธ์š”.
15:09
which is possible.
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๊ณผ์—ฐ ๊ฐ€๋Šฅํ•œ์ง€๋ฅผ์š”.
15:11
The point of all of this is that,
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์ง€๊ธˆ๊นŒ์ง€ ๋ง์”€๋“œ๋ฆฐ ์š”์ง€๋Š” ์ด๋ ‡์Šต๋‹ˆ๋‹ค.
15:13
first of all, we should all play with toys.
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์ผ๋‹จ, ์šฐ๋ฆฌ๋Š” ๋†€์ด๋ฅผ ์ฆ๊ฒจ์•ผ ํ•ฉ๋‹ˆ๋‹ค.
15:15
We shouldn't be afraid to investigate the physical world for ourselves
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์šฐ๋ฆฌ ์ฃผ๋ณ€์˜ ๋„๊ตฌ๋ฅผ ํ†ตํ•ด ๊ฑฐ๋ฆฌ๋‚Œ์—†์ด ๋ฌผ๋ฆฌ์˜ ์„ธ๊ณ„๋ฅผ
15:19
with the tools around us,
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๊ด€์ฐฐํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
15:20
because we all have access to them.
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์‰ฝ๊ฒŒ ์ ‘ํ•  ์ˆ˜ ์žˆ๋‹ค๋ผ๋Š” ์ด์œ ๋„ ๋  ์ˆ˜ ์žˆ๊ฒ ๋„ค์š”.
15:22
It matters, because if we want to understand society,
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์šฐ๋ฆฌ๋“ค์€ ์‚ฌํšŒ๋ฅผ ์ดํ•ดํ•˜๋ ค ํ•˜๊ณ 
15:25
if we want to be good citizens,
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ํ˜„๋ช…ํ•œ ์‹œ๋ฏผ์ด ๋˜๋ ค ํ•œ๋‹ค๋ฉด
15:26
we need to understand the framework on which everything else must be based.
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๋ชจ๋“ ๊ฒƒ๋“ค์˜ ๊ธฐ์ดˆ๊ฐ€ ๋˜๋Š” ๊ทผ๊ฐ„(ํ‹€)์„ ์ดํ•ดํ•  ํ•„์š”๊ฐ€ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ด์š”.
15:31
Playing with toys is great.
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์žฅ๋‚œ๊ฐ์„ ๊ฐ€์ง€๊ณ  ๋…ผ๋‹ค๋Š” ๊ฑด ์ค‘์š”ํ•œ ๊ฑฐ์˜ˆ์š”.
15:32
Understanding how to keep our life-support systems going is great.
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์šฐ๋ฆฌ์˜ ์ƒ๋ช…์œ ์ง€์žฅ์น˜๋“ค์ด ์–ด๋–ป๊ฒŒ ์ž‘์šฉํ•˜๋Š”์ง€ ์ดํ•ด ๋˜ํ•œ ์ค‘์š”ํ•ด์š”.
15:35
But fundamentally, the thing that we need to change
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ํ•˜์ง€๋งŒ ๊ธฐ๋ณธ์ ์œผ๋กœ, ์šฐ๋ฆฌ๊ฐ€ ๋ณ€ํ™”๋ฅผ ํ•ด์•ผํ•˜๋Š” ๊ฑด
15:38
in the way that we talk about physics,
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๋ฌผ๋ฆฌํ•™์„ ๋Œ€ํ•˜๋Š” ์šฐ๋ฆฌ์˜ ๋Œ€ํ™”๋ฐฉ์‹ ์ž…๋‹ˆ๋‹ค.
15:40
is we need to understand
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์šฐ๋ฆฌ๋Š” ์ดํ•ด๊ฐ€ ํ•„์š”ํ•˜๋‹ค๊ณ  ๋ด์š”.
15:41
that physics isn't out there with weird people
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์ข‹์€ ํ™˜๊ฒฝ์˜ ์—ฐ๊ตฌ์‹ค์—์„œ
15:43
and strange hieroglyphics
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๊ธฐ์ดํ•œ ๋ฌธ์ž๋“ค๋กœ
15:45
for somebody else in a posh lab.
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์—ฐ๊ตฌํ•˜๋Š” ์‚ฌ๋žŒ๋“ค์ด ์—†๋‹ค๋ฉด ๋ฌผ๋ฆฌํ•™์€ ์—†์Šต๋‹ˆ๋‹ค.
15:46
Physics is right here; it's for us, and we can all play with it.
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๋ฌผ๋ฆฌํ•™์€ ๋ฐ”๋กœ ์—ฌ๊ธฐ์— ์žˆ์œผ๋ฉฐ, ์šฐ๋ฆฌ์™€ ๊ณต์กดํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
15:49
Thank you very much.
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๋Œ€๋‹จํžˆ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
15:51
(Applause)
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(๋ฐ•์ˆ˜)
์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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