An inventory of the invisible | John Lloyd

75,172 views ใƒป 2009-09-18

TED


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

๋ฒˆ์—ญ: Taeho Kim ๊ฒ€ํ† : Sunphil Ga
00:12
So the question is, what is invisible?
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์ž, ๋ฌธ์ œ๋Š” '๋ฌด์—‡์ด ๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ์ธ๊ฐ€?' ์ž…๋‹ˆ๋‹ค.
00:17
There is more of it than you think, actually.
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์‚ฌ์‹ค ์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ƒ๊ฐํ•˜์‹œ๋Š” ๊ฒƒ ์ด์ƒ์ž…๋‹ˆ๋‹ค.
00:20
Everything, I would say. Everything that matters
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์ €๋Š” ๋ชจ๋“  ์‚ฌ๋ฌผ๊ณผ ๋ฌผ์งˆ์„ ์ œ์™ธํ•˜๊ณ ๋Š”
00:23
except every thing and except matter.
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๋ฌธ์ œ๊ฐ€ ๋˜๋Š” ๋ชจ๋“  ๊ฒƒ์ด๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
00:29
We can see matter. But we can't see what's the matter.
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์šฐ๋ฆฌ๋Š” ์‚ฌ๋ฌผ์„ ๋ณผ ์ˆ˜ ์žˆ์ง€๋งŒ ๋ฌด์—‡์ด ์‚ฌ๋ฌผ์ธ์ง€๋Š” ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
00:33
As in this cryptic sentence I found in The Guardian recently:
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์ตœ๊ทผ์— ๊ฐ€๋””์–ธ(์˜๊ตญ ์ผ๊ฐ„์ง€)์—์„œ ์ด ๊ฐ™์€ ์•„๋ฆฌ์†กํ•œ ๋ฌธ์žฅ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.
00:38
"The marriage suffered a setback in 1965,
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"1965๋…„ ์•„๋‚ด๊ฐ€ ๋‚จํŽธ์„ ์ฃฝ์—ฌ์„œ
00:41
when the husband was killed by the wife."
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๊ฒฐํ˜ผ ์ƒํ™œ์— ์ฐจ์งˆ์ด ์ƒ๊ฒผ์Šต๋‹ˆ๋‹ค."
00:44
(Laughter)
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(์›ƒ์Œ)
00:47
There's a world of invisibility there, isn't there?
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๋ˆˆ์— ๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ์˜ ์„ธ๊ณ„๊ฐ€ ์žˆ์ง€ ์•Š์Šต๋‹ˆ๊นŒ?
00:49
(Laughter)
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(์›ƒ์Œ)
00:51
So, we can see the stars and the planets,
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๊ทธ๋ ‡๊ฒŒ ์šฐ๋ฆฌ๋Š” ๋ณ„๊ณผ ํ–‰์„ฑ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:53
but we can't see what holds them apart
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๊ทธ๋Ÿฌ๋‚˜ ์šฐ๋ฆฌ๋Š” ๋ฌด์—‡์ด ๊ทธ๊ฒƒ๋“ค์„ ๋–จ์–ด๋œจ๋ ค ๋†“์•˜๋Š”์ง€,
00:56
or what draws them together.
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๋˜๋Š” ๋ฌด์—‡์ด ๊ทธ๊ฒƒ๋“ค์„ ํ•จ๊ป˜ ๋Œ์–ด๋‹น๊ธฐ๋Š”์ง€ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
00:58
With matter, as with people, we see only the skin of things.
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์šฐ๋ฆฌ๋Š” ์‚ฌ๋žŒ๊ณผ ๊ฐ™์ด ์‚ฌ๋ฌผ์˜ ๊ป์งˆ ๋งŒ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:01
We can't see into the engine room.
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์šฐ๋ฆฌ๋Š” ์ˆ˜๋‡Œ๋ถ€ ๋‚ด๋ถ€๊นŒ์ง€ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
01:03
We can't see what makes people tick, at least not without difficulty.
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์šฐ๋ฆฌ๋Š” ๋ฌด์—‡์ด ์‚ฌ๋žŒ๋“ค์„ ์›€์ง์ด๋Š”์ง€ ์ ์–ด๋„ ์‰ฝ๊ฒŒ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
01:06
And the closer we look at anything, the more it disappears.
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๋ฌด์—‡์ด๋“  ์ž์„ธํžˆ ๋“ค์—ฌ๋‹ค ๋ณผ ์ˆ˜๋ก ๋” ์•ˆ ๋ณด์ž…๋‹ˆ๋‹ค.
01:10
In fact, if you look really closely at stuff,
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์‚ฌ์‹ค, ์‚ฌ๋ฌผ์„ ์ •๋ง ๊ฐ€๊นŒ์ด์„œ ๋“ค์—ฌ๋‹ค๋ณด๋ฉด,
01:12
if you look at the basic substructure of matter,
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๋ฌผ์งˆ์˜ ๊ทผ๋ณธ์ ์ธ ํ•˜๋ถ€๊ตฌ์กฐ๋ฅผ ๋ณด๋ฉด,
01:14
there isn't anything there.
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๊ฑฐ๊ธฐ์—” ์•„๋ฌด๊ฒƒ๋„ ์—†์Šต๋‹ˆ๋‹ค.
01:16
Electrons disappear in a kind of fuzz,
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์ „์ž๋“ค์€ ํฌ๋ฏธํ•˜๊ฒŒ ์‚ฌ๋ผ์ง€๊ณ ,
01:18
and there is only energy. And you can't see energy.
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์—๋„ˆ์ง€๋งŒ ์žˆ์„ ๋ฟ์ž…๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ๊ทธ๊ฒƒ์„ ๋ณผ ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค.
01:23
So everything that matters, that's important, is invisible.
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๊ฒฐ๊ตญ ๋ฌธ์ œ๊ฐ€ ๋˜๋Š” ๋ชจ๋“  ๊ฒƒ์€ ์ค‘์š”ํ•˜์ง€๋งŒ ๋ณด์ด์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
01:26
One slightly silly thing that's invisible
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ํ•œ ๊ฐ€์ง€ ์•ฝ๊ฐ„ ์šฐ์Šค๊ฝ์Šค๋Ÿฝ๊ณ  ๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ์€
01:29
is this story, which is invisible to you.
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์—ฌ๋Ÿฌ๋ถ„์—๊ฒŒ ๋ณด์ด์ง€ ์•Š๋Š” ์ด ์ด์•ผ๊ธฐ์ž…๋‹ˆ๋‹ค.
01:31
And I'm now going to make it visible to you in your minds.
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์ด์ œ ์ œ๊ฐ€ ์—ฌ๋Ÿฌ๋ถ„์˜ ๋จธ๋ฆฟ์†์— ๊ทธ๊ฒƒ์ด ๋ณด์ด๋„๋ก ํ•ด๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
01:34
It's about an M.P. called Geoffrey Dickens.
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์ œํ”„๋ฆฌ ๋””ํ‚จ์Šค๋ผ๋Š” ๊ตญํšŒ์˜์›์— ๊ด€ํ•œ ์ด์•ผ๊ธฐ์ž…๋‹ˆ๋‹ค.
01:38
The late Geoffrey Dickens, M.P. was attending a fete in his constituency.
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๊ณ ์ธ์ด ๋œ ์ œํ”„๋ฆฌ ๋””ํ‚จ์Šค๋Š” ์ž์‹ ์˜ ์„ ๊ฑฐ๊ตฌ์—์„œ ์›์œ ํšŒ์— ์ฐธ์„ํ•˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
01:41
Wherever he went, at every stall he stopped he was closely followed
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๊ทธ๊ฐ€ ์–ด๋””๋ฅผ ๊ฐ€๋“  ๋ชจ๋“  ๊ฐ€๊ฒŒ์— ๋“ค๋ฅผ ๋•Œ๋งˆ๋‹ค
01:44
by a devoted smiling woman of indescribable ugliness.
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์ •๋ง ๋ชป์ƒ๊ธด ์—ฌ์„ฑ์ด ํ—Œ์‹ ์ ์œผ๋กœ ์›ƒ์œผ๋ฉฐ ๋”ฐ๋ผ์™”์Šต๋‹ˆ๋‹ค.
01:47
(Laughter)
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(์›ƒ์Œ)
01:49
Try as he might, he couldn't get away from her.
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์•„๋ฌด๋ฆฌ ๋…ธ๋ ฅํ•ด๋„ ๊ทธ๋Š” ๊ทธ๋…€๋กœ๋ถ€ํ„ฐ ๋ฒ—์–ด๋‚  ์ˆ˜ ์—†์—ˆ์Šต๋‹ˆ๋‹ค.
01:51
A few days later he received a letter from a constituent
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๋ฉฐ์น  ํ›„ ํ•œ ์„ ๊ฑฐ๊ตฌ ์ฃผ๋ฏผ์œผ๋กœ๋ถ€ํ„ฐ ํŽธ์ง€๊ฐ€ ์™”์Šต๋‹ˆ๋‹ค.
01:53
saying how much she admired him,
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๊ทธ๋…€๊ฐ€ ์–ผ๋งˆ๋‚˜ ์‚ฌ๋ชจํ–ˆ์œผ๋ฉด ์›์œ ํšŒ์— ๊ฐ€์„œ ๊ทธ๋ฅผ ๋งŒ๋‚ฌ๋Š”์ง€
01:55
had met him at a fete and asking for a signed photograph.
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์–˜๊ธฐํ•˜๋ฉด์„œ ์‹ธ์ธ๋œ ์‚ฌ์ง„์„ ๋ถ€ํƒํ–ˆ์Šต๋‹ˆ๋‹ค.
01:58
After her name, written in brackets was the apt description, horse face.
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๊ทธ๋…€์˜ ์ด๋ฆ„ ์˜† ๊ด„ํ˜ธ ์•ˆ์— '๋ง ์–ผ๊ตด'์ด๋ผ๋Š” ์ ์ ˆํ•œ ์„ค๋ช…์ด ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
02:03
(Laughter)
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(์›ƒ์Œ)
02:04
"I've misjudged this women," thought Mr. Dickens.
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"๊ทธ๋…€๋ฅผ ์ž˜๋ชป ๋ดค๋„ค." ๋””ํ‚จ์Šค ์”จ๋Š” ์ƒ๊ฐํ–ˆ์Šต๋‹ˆ๋‹ค.
02:06
"Not only is she aware of her physical repulsiveness,
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"๊ทธ๋…€๋Š” ์ž์‹ ์˜ ๋ชป์ƒ๊ธด ์–ผ๊ตด์— ๋Œ€ํ•ด์„œ ์•Œ๊ณ ์žˆ์œผ๋ฉฐ,
02:09
she turns it to her advantage.
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๊ทธ๊ฒƒ์„ ์žฅ์ ์œผ๋กœ ๋ณ€ํ™”์‹œ์ผฐ๋‹ค.
02:11
A photo is not enough."
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์‚ฌ์ง„์œผ๋กœ๋Š” ๋ถ€์กฑํ•˜๋‹ค."
02:13
So he went out and bought a plastic frame to put the photograph in.
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๊ทธ๋ž˜์„œ ๊ทธ๋Š” ์‚ฌ์ง„์„ ๋„ฃ์„ ํ”Œ๋ผ์Šคํ‹ฑ ์•ก์ž๋ฅผ ์‚ฌ์™”์Šต๋‹ˆ๋‹ค.
02:16
And on the photograph, he wrote with a flourish,
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๊ทธ๋ฆฌ๊ณ  ์‚ฌ์ง„์— ํ™”๋ คํ•œ ๋ฌธ์ž๋กœ ์ผ์Šต๋‹ˆ๋‹ค.
02:18
"To Horse Face, with love from Geoffrey Dickens, M.P."
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"๊ตญํšŒ์˜์› ์ œํ”„๋ฆฌ ๋””ํ‚จ์Šค๊ฐ€ ์นœ์• ํ•˜๋Š” ๋ง ์–ผ๊ตด์—๊ฒŒ"
02:23
After it had been sent off, his secretary said to him,
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์•ก์ž๋ฅผ ๋ณด๋‚ธ ํ›„์— ๋น„์„œ๊ฐ€ ๊ทธ์—๊ฒŒ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
02:25
"Did you get that letter from the woman at the fete?
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"์›์œ ํšŒ์—์„œ ๋งŒ๋‚ฌ๋˜ ๊ทธ๋…€์—๊ฒŒ์„œ ํŽธ์ง€๋ฅผ ๋ฐ›์œผ์…จ๋‚˜์š”?
02:27
I wrote Horse Face on her, so you'd remember who she was."
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์ œ๊ฐ€ ๊ธฐ์–ตํ•˜๊ธฐ ์‰ฌ์šฐ์‹œ๋ผ๊ณ  '๋ง ์–ผ๊ตด'์ด๋ผ๊ณ  ์ ์—ˆ์Šต๋‹ˆ๋‹ค."
02:31
(Laughter)
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(์›ƒ์Œ) ... ์žฅ๋‹ด์ปจ๋Œ€ ๊ทธ๋Š”
02:37
I bet he thought he wished he was invisible, don't you?
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์‚ฌ๋ผ์ ธ์„œ ์•ˆ ๋ณด์˜€์œผ๋ฉด ํ–ˆ์„ ๊ฑฐ์˜ˆ์š”.
02:39
(Laughter)
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(์›ƒ์Œ)
02:41
So, one of the interesting things about invisibility
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๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ๋“ค์— ๋Œ€ํ•œ ํฅ๋ฏธ๋กœ์šด ์‚ฌ์‹ค ์ค‘ ํ•˜๋‚˜๋Š”
02:43
is that things that we can't see
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์šฐ๋ฆฌ๊ฐ€ ๋ณผ์ˆ˜ ์—†์„ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ
02:45
we also can't understand.
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๋˜ํ•œ ์ดํ•ด ํ•  ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ์ด์ง€์š”.
02:47
Gravity is one thing that we can't see
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์ค‘๋ ฅ์€ ๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ ์ค‘ ํ•˜๋‚˜์ด๊ณ ,
02:49
and which we don't understand.
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์šฐ๋ฆฌ๋Š” ๊ทธ๊ฒƒ์„ ์ดํ•ดํ•˜์ง€ ๋ชปํ•ฉ๋‹ˆ๋‹ค.
02:51
It's the least understood of all the four fundamental forces,
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4๋Œ€ ํž˜(์ค‘๋ ฅ,์ „์ž๊ธฐ๋ ฅ, ๊ฐ•ํ•œ ํ•ต๋ ฅ, ์•ฝํ•œ ํ•ต๋ ฅ) ์ค‘์—์„œ
02:53
and the weakest.
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๊ฐ€์žฅ ์ดํ•ดํ•˜๊ธฐ ์–ด๋ ต๊ณ  ๊ฐ€์žฅ ์•ฝํ•ฉ๋‹ˆ๋‹ค.
02:55
And nobody really knows what it is or why it's there.
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์•„๋ฌด๋„ ๊ทธ๊ฒƒ์ด ์ง„์งœ ๋ฌด์—‡์ด๊ณ  ์™œ ์กด์žฌํ•˜๋Š”์ง€ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
02:57
For what it's worth, Sir Isaac Newton, the greatest scientist who ever lived,
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์ œ ์ƒ๊ฐ์ผ ๋ฟ์ด์ง€๋งŒ, ํ›Œ๋ฅญํ•œ ๊ณผํ•™์ž ์•„์ด์ž‘ ๋‰ดํ„ด๊ฒฝ์€
03:00
he thought Jesus came to Earth specifically to operate the levers of gravity.
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์˜ˆ์ˆ˜๊ฐ€ ์ค‘๋ ฅ ๋ ˆ๋ฒ„๋ฅผ ์กฐ์ž‘ํ•˜๊ธฐ ์œ„ํ•ด ์ง€๊ตฌ์— ์™”๋‹ค๊ณ  ์ƒ๊ฐํ–ˆ์„ ๊ฒ๋‹ˆ๋‹ค.
03:05
That's what he thought he was there for.
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๊ทธ๊ฒƒ์ด ์•„๋งˆ ์˜ˆ์ˆ˜์— ๋Œ€ํ•œ ๊ทธ์˜ ์ƒ๊ฐ์ด์˜€์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:07
So, bright guy, could be wrong on that one, I don't know.
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์ •๋ง ๋จธ๋ฆฌ๊ฐ€ ์ข‹์€ ์นœ๊ตฌ์—์š”. ๋ฌผ๋ก  ํ‹€๋ ธ์„์ง€๋„ ๋ชจ๋ฅด์ฃ .
03:10
(Laughter)
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(์›ƒ์Œ)
03:12
Consciousness. I see all your faces.
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์˜์‹. ์—ฌ๋Ÿฌ๋ถ„๋“ค์˜ ์–ผ๊ตด์ด ๋‹ค ๋ณด์ž…๋‹ˆ๋‹ค.
03:14
I have no idea what any of you are thinking. Isn't that amazing?
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๊ทธ๋Ÿฌ๋‚˜ ๋ฌด์Šจ ์ƒ๊ฐ์„ ํ•˜์‹œ๋Š”์ง€๋Š” ๋ชจ๋ฆ…๋‹ˆ๋‹ค. ๋†€๋ž์ง€ ์•Š๋‚˜์š”?
03:17
Isn't that incredible that we can't read each other's minds?
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๋‹ค๋ฅธ ์‚ฌ๋žŒ์˜ ์ƒ๊ฐ์„ ์ฝ์„ ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ์ด ์—„์ฒญ๋‚˜์ง€ ์•Š์Šต๋‹ˆ๊นŒ?
03:20
But we can touch each other, taste each other perhaps, if we get close enough.
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๊ทธ๋Ÿฌ๋‚˜ ์šฐ๋ฆฌ๋Š” ์„œ๋กœ ๋งŒ์งˆ ์ˆ˜ ์žˆ๊ณ , ์ถฉ๋ถ„ํžˆ ๊ฐ€๊น๋‹ค๋ฉด ์„œ๋กœ์˜ ๋ง›์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:24
But we can't read each other's minds. I find that quite astonishing.
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๊ทธ๋Ÿฌ๋‚˜ ์ƒ๊ฐ์„ ์ฝ์„ ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค. ๋†€๋ผ์šด ์ผ์ž…๋‹ˆ๋‹ค.
03:27
In the Sufi faith, this great Middle Eastern religion,
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์ผ๋ถ€๋Š” ๋ชจ๋“  ์ข…๊ต๋กœ ํ†ตํ•œ๋‹ค๊ณ  ์ฃผ์žฅํ•˜๋Š”
03:31
which some claim is the route of all religions,
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์ค‘๋™์˜ ์œ„๋Œ€ํ•œ ์ˆ˜ํ”ผ๊ต(์ด์Šฌ๋žŒ๊ต์˜ ์‹ ๋น„์ฃผ์˜)์—์„œ
03:33
Sufi masters are all telepaths, so they say.
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์ˆ˜ํ”ผ๊ต์˜ ์Šค์Šน์€ ๋ชจ๋‘ ํ…”๋ ˆํŒŒ์‹œ ๋Šฅ๋ ฅ์ž๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
03:38
But their main exercise of telepathy
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๊ทธ๋Ÿฌ๋‚˜ ๊ทธ๋“ค์ด ํ…”๋ ˆํŒŒ์‹œ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ฃผ๋ชฉ์ ์€
03:40
is to send out powerful signals to the rest of us that it doesn't exist.
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์กด์žฌํ•˜์ง€ ์•Š๋Š” ์šฐ๋ฆฌ๋“ค์—๊ฒŒ ๊ฐ•๋ ฅํ•œ ์‹ ํ˜ธ๋ฅผ ๋ณด๋‚ด๊ธฐ ์œ„ํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:45
So that's why we don't think it exists,
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๊ทธ๋ ‡๊ธฐ ๋•Œ๋ฌธ์— ์šฐ๋ฆฌ๋Š” ๊ทธ๋“ค์ด ๋ณด๋‚ด๋Š”
03:47
the Sufi masters working on us.
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ํ…”๋ ˆํŒŒ์‹œ์˜ ์กด์žฌ๋ฅผ ์ƒ๊ฐํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
03:50
In the question of consciousness
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์˜์‹๊ณผ ์ธ๊ณต ์ง€๋Šฅ์—
03:52
and artificial intelligence,
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๊ด€ํ•ด์„œ๋Š” ...
03:54
artificial intelligence has really, like the study of consciousness,
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์ƒ๊ฐ์— ๊ด€ํ•œ ์—ฐ๊ตฌ์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ์ธ๊ณต ์ง€๋Šฅ์€ ์‚ฌ์‹ค
03:56
gotten nowhere. We have no idea how consciousness works.
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์•„๋ฌด๋Ÿฐ ์„ฑ๊ณผ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” ์ƒ๊ฐ์ด ์–ด๋–ป๊ฒŒ ์ด๋ฃจ์–ด์ง€๋Š”์ง€ ์ „ํ˜€ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
03:59
With artificial intelligence, not only have they not created artificial intelligence,
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์ธ๊ณต ์ง€๋Šฅ์œผ๋กœ, ์ธ๊ณต ์ง€๋Šฅ์„ ๋งŒ๋“ค์ง€๋„ ๋ชปํ–ˆ์œผ๋ฉฐ,
04:03
they haven't yet created artificial stupidity.
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์•„์ง๊นŒ์ง€ ์ธ๊ณต ๋ฐ”๋ณด๋„ ๋งŒ๋“ค์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
04:06
(Laughter)
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(์›ƒ์Œ)
04:11
The laws of physics: invisible, eternal, omnipresent, all-powerful.
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๋ฌผ๋ฆฌํ•™ ๋ฒ•์น™: ๋ณด์ด์ง€ ์•Š๊ณ , ์˜์›ํ•˜๋ฉฐ, ์–ด๋””๋“  ์กด์žฌํ•˜๊ณ , ๋ชจ๋‘ ๊ฐ•๋ ฅํ•ฉ๋‹ˆ๋‹ค.
04:15
Remind you of anyone?
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์ƒ๊ฐ๋‚˜๋Š” ๋ถ„์ด ์—†๋‚˜์š”?
04:17
Interesting. I'm, as you can guess,
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ํฅ๋ฏธ๋กญ๊ตฐ์š”. ์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ƒ๊ฐํ•  ์ˆ˜ ์žˆ๋“ฏ์ด
04:19
not a materialist, I'm an immaterialist.
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์ €๋Š” ๋ฌผ์งˆ์ฃผ์˜์ž๊ฐ€ ์•„๋‹ˆ๋ผ ๋น„๋ฌผ์งˆ์ฃผ์˜์ž ์ž…๋‹ˆ๋‹ค.
04:21
And I've found a very useful new word, ignostic. Okay?
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๊ทธ๋ฆฌ๊ณ  ๊ต‰์žฅํžˆ ์ข‹์€ ์ƒˆ ๋‹จ์–ด, ๋ฌด์ง€๋ก ์ž…๋‹ˆ๋‹ค. ์•„์‹œ๊ฒ ๋‚˜์š”?
04:24
I'm an ignostic.
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์ €๋Š” ๋ฌด์ง€๋ก ์ž์ž…๋‹ˆ๋‹ค.
04:26
I refuse to be drawn on the question of whether God exists,
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์ €๋Š” ์šฉ์–ด๊ฐ€ ์ œ๋Œ€๋กœ ์ •์˜๋˜๊ธฐ ์ „๊นŒ์ง€ ํ•˜๋Š๋‹˜์ด
04:29
until somebody properly defines the terms.
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์‹ค์ œ๋กœ ์กด์žฌํ•˜๋Š” ๊ฐ€์— ๊ด€ํ•œ ๋ฌธ์ œ์— ๊ด€์—ฌํ•˜๊ธธ ๊ฑฐ๋ถ€ํ•ฉ๋‹ˆ๋‹ค.
04:32
(Laughter)
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(์›ƒ์Œ)
04:35
Another thing we can't see is the human genome.
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์šฐ๋ฆฌ๊ฐ€ ๋˜ ๋ณผ ์ˆ˜ ์—†๋Š” ๊ฒƒ์ด ์ธ๊ฐ„ ๊ฒŒ๋†ˆ์ž…๋‹ˆ๋‹ค.
04:38
And this is increasingly peculiar,
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๊ทธ๋ฆฌ๊ณ  ์ด๊ฒƒ์€ ๊ฐˆ์ˆ˜๋ก ๋” ์ด์ƒํ•ด์ง‘๋‹ˆ๋‹ค.
04:41
because about 20 years ago, when they started delving into the genome,
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์™œ๋ƒํ•˜๋ฉด, 20 ์—ฌ ๋…„ ์ „ ๊ฒŒ๋†ˆ์ด ์ฒ˜์Œ ์—ฐ๊ตฌ๋  ๋•Œ ๋Œ€๋žต 100๋งŒ ๊ฐœ์˜
04:46
they thought it would probably contain around 100,000 genes.
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์œ ์ „์ž๋ฅผ ๊ฐ–๊ณ  ์žˆ์„ ๊ฑฐ๋ผ ์ƒ๊ฐํ–ˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:49
Geneticists will know this, but every year since,
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๊ทธ๋Ÿฌ๋‚˜ ๊ทธ ์ดํ›„๋กœ ๋งค๋…„ ๋” ์ ์„ ๊ฒƒ์œผ๋กœ ์˜ˆ์ธก๋˜์—ˆ๊ณ 
04:51
it's been revised downwards.
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์œ ์ „ํ•™์ž๋“ค์€ ์ด๋ฅผ ์•Œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:53
We now think there are likely to be only just over 20,000
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ํ˜„์žฌ ์šฐ๋ฆฌ๋Š” ์ธ๊ฐ„ ๊ฒŒ๋†ˆ์˜ ์œ ์ „์ž๊ฐ€ 20๋งŒ์„
04:56
genes in the human genome.
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์•ฝ๊ฐ„ ๋„˜์„ ๊ฒƒ์œผ๋กœ ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
04:58
This is extraordinary. Because rice -- get this --
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์ด๊ฒƒ์€ ๋†€๋ผ์šด ์ผ์ž…๋‹ˆ๋‹ค. ์ž˜ ๋“ค์œผ์„ธ์š”.
05:01
rice is known to have 38 thousand genes.
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์Œ€์€ 38๋งŒ ์œ ์ „์ž๋ฅผ ๊ฐ–๊ณ  ์žˆ๋‹ค๊ณ  ์•Œ๋ ค์ ธ ์žˆ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
05:05
Potatoes, potatoes have 48 chromosomes. Do you know that?
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๊ฐ์ž๋Š” 48 ์—ผ์ƒ‰์ฒด๋ฅผ ๊ฐ–์Šต๋‹ˆ๋‹ค. ์•Œ๊ณ  ๊ณ„์…จ๋‚˜์š”?
05:10
Two more than people,
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์‚ฌ๋žŒ๋ณด๋‹ค ๋‘ ๊ฐœ๊ฐ€ ๋” ๋งŽ์Šต๋‹ˆ๋‹ค.
05:12
and the same as a gorilla.
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๊ณ ๋ฆด๋ผ๋„ ๋งˆ์ฐฌ๊ฐ€์ง€ ์ž…๋‹ˆ๋‹ค.
05:14
(Laughter)
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(์›ƒ์Œ)
05:16
You can't see these things, but they are very strange.
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์—ฌ๋Ÿฌ๋ถ„๋“ค์€ ์ด๊ฒƒ๋“ค์„ ๋ณผ ์ˆ˜ ์—†์ง€๋งŒ, ๊ทธ๊ฒƒ๋“ค์€ ๊ต‰์žฅํžˆ ์ด์ƒํ•ฉ๋‹ˆ๋‹ค.
05:19
(Laughter)
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(์›ƒ์Œ)
05:21
The stars by day. I always think that's fascinating.
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๋‚ฎ์— ๋œฌ ๋ณ„. ์ €๋Š” ํ•ญ์ƒ ๊ทธ๊ฒƒ์ด ๋Œ€๋‹จํžˆ ํฅ๋ฏธ๋กญ์Šต๋‹ˆ๋‹ค.
05:24
The universe disappears.
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์šฐ์ฃผ๋Š” ์‚ฌ๋ผ์ง‘๋‹ˆ๋‹ค.
05:26
The more light there is, the less you can see.
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๋น›์ด ๋งŽ์„์ˆ˜๋ก ๋ณผ ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์€ ์ค„์–ด๋“ญ๋‹ˆ๋‹ค.
05:29
Time, nobody can see time.
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์‹œ๊ฐ„, ์•„๋ฌด๋„ ์‹œ๊ฐ„์„ ๋ณผ ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค.
05:31
I don't know if you know this. Modern physics,
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์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ์ด ์‚ฌ์‹ค์„ ์•„์‹œ๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค.
05:33
there is a big movement in modern physics
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ํ˜„๋Œ€๋ฌผ๋ฆฌํ•™์—์„œ๋Š” ์‹œ๊ฐ„์ด ์‹ค์ œ๋กœ ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๋‹ค๊ณ 
05:35
to decide that time doesn't really exist,
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๊ฒฐ์ •ํ•˜๋ ค๋Š” ํฐ ๋ณ€๋™์ด ์ผ์–ด๋‚˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
05:37
because it's too inconvenient for the figures.
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์™œ๋ƒํ•˜๋ฉด ๊ณ„์‚ฐ์„ ํ•˜๋Š”๋ฐ ๋„ˆ๋ฌด ๋ถˆํŽธํ•˜๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
05:40
It's much easier if it's not really there.
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๊ทธ๊ฒƒ์ด ์‹ค์ œ๋กœ ์—†์œผ๋ฉด ๊ณ„์‚ฐ์€ ์‰ฌ์›Œ์ง‘๋‹ˆ๋‹ค.
05:42
You can't see the future, obviously.
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๋ฏธ๋ž˜๋Š” ๋‹น์—ฐํžˆ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
05:44
And you can't see the past, except in your memory.
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๊ทธ๋ฆฌ๊ณ  ์—ฌ๋Ÿฌ๋ถ„์˜ ๊ธฐ์–ต์„ ์ œ์™ธํ•˜๊ณ ๋Š” ๊ณผ๊ฑฐ๋„ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
05:47
One of the interesting things about the past is
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๊ณผ๊ฑฐ์— ๋Œ€ํ•ด ์žฌ๋ฏธ์žˆ๋Š” ๊ฒƒ์€ ํŠนํžˆ ๊ทธ๊ฒƒ์„
05:49
you particularly can't see. My son asked me this the other day,
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๋ณผ ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์š”์ „์— ์ œ ์•„๋“ค์ด ์ œ๊ฒŒ ๋ฌผ์—ˆ์Šต๋‹ˆ๋‹ค.
05:52
he said, "Dad, can you remember what I was like when I was two?"
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"์•„๋น , ์ œ๊ฐ€ ๋‘ ์‚ด ๋•Œ ์–ด๋–ค ๋ชจ์Šต์ด์—ˆ๋Š”์ง€ ๊ธฐ์–ตํ•˜์„ธ์š”?"
05:54
And I said, "Yes." And he said, "Why can't I?"
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๊ทธ๋ž˜์„œ ์ œ๊ฐ€, "๋ฌผ๋ก ์ด์ง€." ํ•˜๋‹ˆ๊นŒ ์•„๋“ค์ด, "์™œ ์ €๋Š” ๋ชจ๋ฅด์ฃ ?"
05:57
Isn't that extraordinary? You cannot remember
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๋†€๋ž์ง€ ์•Š์Šต๋‹ˆ๊นŒ? ์—ฌ๋Ÿฌ๋ถ„์€ ๋‘ ์‚ด ๋˜๋Š” ์„ธ ์‚ด
05:59
what happened to you earlier than the age of two or three,
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์ด์ „์— ์ผ์–ด๋‚ฌ๋˜ ์ผ์„ ๊ธฐ์–ตํ•˜์ง€ ๋ชปํ•ฉ๋‹ˆ๋‹ค.
06:02
which is great news for psychoanalysts,
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์ •์‹  ๋ถ„์„๊ฐ€๋“ค์—๊ฒŒ๋Š” ์ข‹์€ ์†Œ์‹์ž…๋‹ˆ๋‹ค.
06:04
because otherwise they'd be out of a job.
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์™œ๋ƒํ•˜๋ฉด, ์•ˆ ๊ทธ๋žฌ์œผ๋ฉด ์ง์—…์„ ์žƒ์—ˆ์„ ํ…Œ๋‹ˆ๊นŒ์š”.
06:06
Because that's where all the stuff happens
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๋ชจ๋“  ๊ฒŒ ์ผ์–ด๋‚˜๋Š” ๋•Œ์ด๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.
06:09
(Laughter)
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(์›ƒ์Œ)
06:11
that makes you who you are.
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๊ทธ ๋•Œ๊ฐ€ ์—ฌ๋Ÿฌ๋ถ„์„ ์—ฌ๋Ÿฌ๋ถ„์œผ๋กœ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.
06:14
Another thing you can't see is the grid on which we hang.
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์šฐ๋ฆฌ๊ฐ€ ๋˜ ๋ณด์ง€ ๋ชปํ•˜๋Š” ๊ฒƒ์€ ์šฐ๋ฆฌ์˜ ์ƒ์กด์ด ๊ฑธ๋ฆฐ ๋ง์ž…๋‹ˆ๋‹ค.
06:17
This is fascinating. You probably know, some of you,
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๋Œ€๋‹จํžˆ ๋†€๋ž์Šต๋‹ˆ๋‹ค. ์•„๋งˆ๋„ ๋ช‡ ๋ถ„์€ ์•„์‹ค ํ…๋ฐ, ์„ธํฌ๋“ค์€
06:20
that cells are continually renewed. You can see it in skin and this kind of stuff.
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์ง€์†์ ์œผ๋กœ ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ํ”ผ๋ถ€ ๊ฐ™์€ ๊ณณ์—์„œ ์ด๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
06:23
Skin flakes off, hairs grow, nails, that kind of stuff.
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ํ”ผ๋ถ€ ๊ป์งˆ์ด ๋–จ์–ด์ ธ ๋‚˜๊ฐ€๊ณ , ๋จธ๋ฆฌ๊ฐ€ ์ž๋ผ๊ณ , ์†ํ†ฑ ๋“ฑ
06:27
But every cell in your body is replaced at some point.
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๊ฒฐ๊ตญ ๋ชธ์— ์žˆ๋Š” ๋ชจ๋“  ์„ธํฌ๋Š” ์–ธ์  ๊ฐ€๋Š” ๋Œ€์ฒด๋ฉ๋‹ˆ๋‹ค.
06:30
Taste buds, every 10 days or so.
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ํ˜€์˜ ๋ฏธ๋ขฐ ์„ธํฌ๋Š” 10์ผ ๋งˆ๋‹ค ๋Œ€์ฒด๋ฉ๋‹ˆ๋‹ค.
06:32
Livers and internal organs sort of take a bit longer. A spine takes several years.
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๊ฐ„๊ณผ ๋‚ด์žฅ ๊ธฐ๊ด€๋“ค์€ ์•ฝ๊ฐ„ ๋” ๊น๋‹ˆ๋‹ค. ์ฒ™์ถ”๋Š” ๋ช‡ ๋…„์ด ๊ฑธ๋ฆฝ๋‹ˆ๋‹ค.
06:36
But at the end of seven years, not one cell in your body
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๊ทธ๋Ÿฌ๋‚˜ 7๋…„์ด ์ง€๋‚œ ํ›„์— ์—ฌ๋Ÿฌ๋ถ„์˜ ๋ชธ์—
06:40
remains from what was there seven years ago.
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7๋…„ ์ „์˜ ์„ธํฌ๋Š” ๋‹จ ํ•˜๋‚˜๋„ ์—†์Šต๋‹ˆ๋‹ค.
06:43
The question is, who, then, are we?
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๊ทธ๋Ÿฌ๋ฉด ์šฐ๋ฆฌ๋Š” ๋ˆ„๊ตฌ์ธ๊ฐ€?
06:45
What are we? What is this thing that we hang on,
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์šฐ๋ฆฌ๋Š” ๋ฌด์—‡์ธ๊ฐ€? ์‹ค์ œ๋กœ ์šฐ๋ฆฌ๋ฅผ ๋งŒ๋“œ๋Š”,
06:48
that is actually us?
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์šฐ๋ฆฌ์˜ ์ƒ์กด์ด ๊ฑธ๋ ค ์žˆ๋Š” ๊ฒƒ์€ ๋ฌด์—‡์ธ๊ฐ€์š”?
06:52
Okay. Atoms, you can't see them.
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๋„ค. ์—ฌ๋Ÿฌ๋ถ„์€ ์›์ž๋ฅผ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
06:54
Nobody ever will. They're smaller than the wavelength of light.
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๋ชจ๋‘ ๋ชป ๋ด…๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ๋“ค์€ ๋น›์˜ ํŒŒ์žฅ๋ณด๋‹ค ์ž‘์Šต๋‹ˆ๋‹ค.
06:57
Gas, you can't see that.
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์—ฌ๋Ÿฌ๋ถ„์€ ๊ธฐ์ฒด๋ฅผ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
06:59
Interesting. Somebody mentioned 1600 recently.
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์žฌ๋ฏธ์žˆ์Šต๋‹ˆ๋‹ค. ๋ˆ„๊ตฐ๊ฐ€๊ฐ€ ์ตœ๊ทผ์ธ 1600๋…„์— ์–ธ๊ธ‰ํ–ˆ์Šต๋‹ˆ๋‹ค.
07:01
Gas was invented in 1600
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๊ธฐ์ฒด๋Š” ๋„ค๋œ๋ž€๋“œ์˜ ํ™”ํ•™์ž
07:03
by a Dutch chemist called Van Helmont.
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๋ฐ˜ ํ—ฌ๋ชฌํŠธ์— ์˜ํ•ด 1600๋…„์— ๋ฐœ๋ช…๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
07:06
It's said to be the most successful ever invention
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์•Œ๋ ค์ง„ ๊ฐœ์ธ์— ์˜ํ•œ ๋‹จ์–ด ์ค‘ ๊ฐ€์žฅ ์„ฑ๊ณต์ ์ธ
07:09
of a word by a known individual.
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๋ฐœ๋ช…์ด๋ผ๊ณ  ์—ฌ๊ฒจ์ง‘๋‹ˆ๋‹ค.
07:11
Quite good. He also invented a word called "blas,"
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๊ทธ๋ ‡์Šต๋‹ˆ๋‹ค. ๊ทธ๋Š” ๋ณ„์˜ ๋ณต์‚ฌ๋ฅผ ๋œปํ•˜๋Š”
07:14
meaning astral radiation.
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blass ๋ผ๋Š” ๋‹จ์–ด๋„ ๋ฐœ๋ช…ํ–ˆ์Šต๋‹ˆ๋‹ค.
07:16
Didn't catch on, unfortunately.
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ํ•˜์ง€๋งŒ ๋ถˆํ–‰ํžˆ๋„ ์ดํ•ด๋Š” ํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
07:18
(Laughter)
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(์›ƒ์Œ)
07:20
But well done, him.
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๊ทธ๋Ÿฌ๋‚˜ ๊ทธ๋Š” ํ›Œ๋ฅญํ–ˆ์Šต๋‹ˆ๋‹ค.
07:22
(Laughter)
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(์›ƒ์Œ)
07:23
There is so many things that -- Light.
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์—ฌ๋Ÿฌ ๊ฐ€์ง€๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค... ๋น›
07:26
You can't see light. When it's dark, in a vacuum,
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๋น›์„ ๋ณผ ์ˆ˜๋Š” ์—†์Šต๋‹ˆ๋‹ค. ์ง„๊ณต์—์„œ ์–ด๋‘์šฐ๋ฉด,
07:29
if a person shines a beam of light straight across your eyes,
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๋ˆ„๊ตฐ๊ฐ€๊ฐ€ ์—ฌ๋Ÿฌ๋ถ„์˜ ๋ˆˆ์— ๋น›์„ ๋น„์ถ”์–ด๋„ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
07:32
you won't see it. Slightly technical, some physicists will disagree with this.
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๊ณผํ•™์ ์œผ๋กœ, ์ผ๋ถ€ ๋ฌผ๋ฆฌํ•™์ž๋Š” ์ด์— ๋ฐ˜๋Œ€ํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
07:35
But it's odd that you can't see the beam of light,
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ํ•˜์ง€๋งŒ ๋น›์„ ๋ณผ ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ์€ ์ด์ƒํ•ฉ๋‹ˆ๋‹ค.
07:37
you can only see what it hits.
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์—ฌ๋Ÿฌ๋ถ„์€ ๊ทธ๊ฒƒ์ด ๋ถ€๋”ช์น˜๋Š” ๊ฒƒ๋งŒ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
07:39
I find that extraordinary, not to be able to see light,
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์ €๋Š” ๋†€๋ผ์šด ๊ฒƒ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค, ๋น›์„ ๋ณผ ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ, ๊ทธ๋ฆฌ๊ณ 
07:41
not to be able to see darkness.
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์–ด๋‘ ์„ ๋ณผ ์ˆ˜ ์—†๋‹ค๋Š” ๊ฒƒ์ด์ง€์š”.
07:43
Electricity, you can't see that.
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์—ฌ๋Ÿฌ๋ถ„์€ ์ „๊ธฐ๋ฅผ ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
07:45
Don't let anyone tell you they understand electricity.
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๋ˆ„๊ตฌ๋„ ์—ฌ๋Ÿฌ๋ถ„์—๊ฒŒ ์ „๊ธฐ๋ฅผ ์ดํ•ดํ–ˆ๋‹ค๊ณ  ํ•˜์ง€ ๋ชป ํ•˜๊ฒŒ ํ•˜์„ธ์š”.
07:47
They don't. Nobody knows what it is.
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๊ทธ๋“ค์€ ๋ชจ๋ฆ…๋‹ˆ๋‹ค. ์•„๋ฌด๋„ ๊ทธ๊ฒƒ์ด ๋ฌด์—‡์ธ์ง€ ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
07:49
(Laughter)
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(์›ƒ์Œ)
07:50
You probably think the electrons in an electric wire
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์—ฌ๋Ÿฌ๋ถ„์€ ์•„๋งˆ๋„ ๋ถˆ์„ ์ผœ๋ฉด ์ „์ž๊ฐ€
07:52
move instantaneously down a wire, don't you, at the speed of light
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์ „์„ ์„ ๋”ฐ๋ผ์„œ ๋น›์˜ ์†๋„๋กœ ์ด๋™ํ•œ๋‹ค๊ณ 
07:55
when you turn the light on. They don't.
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์ƒ๊ฐํ•˜์‹ค ํ…Œ์ง€๋งŒ ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
07:57
Electrons bumble down the wire,
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์ „์ž๋Š” ๊ฐˆํŒก์งˆํŒกํ•˜๋ฉด์„œ,
07:59
about the speed of spreading honey, they say.
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๋งํ•˜๊ธฐ๋ก  ๊ฟ€์ด ํผ์ง€๋Š” ์†๋„๋กœ ์ด๋™ํ•ฉ๋‹ˆ๋‹ค.
08:02
(Laughter)
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(์›ƒ์Œ)
08:04
Galaxies, 100 billion of them estimated in the universe.
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์šฐ์ฃผ์—๋Š” ์ฒœ์–ต์˜ ์€ํ•˜์ˆ˜๊ฐ€ ์žˆ๋‹ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
08:07
100 billion. How many can we see? Five.
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์ฒœ์–ต. ์šฐ๋ฆฌ๋Š” ๋ช‡ ๊ฐœ๋‚˜ ๋ณผ ์ˆ˜ ์žˆ์ฃ ? ๋‹ค์„ฏ ๊ฐœ.
08:10
Five out of the 100 billion galaxies, with the naked eye,
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๋งจ ๋ˆˆ์œผ๋กœ ์ฒœ์–ต ๊ฐœ ์ค‘ ๋‹ค์„ฏ ๊ฐœ์˜ ์€ํ•˜์ˆ˜๋ฅผ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
08:13
and one of them is quite difficult to see unless you've got very good eyesight.
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๊ทธ ์ค‘์—์„œ ํ•˜๋‚˜๋Š” ๋ˆˆ์ด ์•„์ฃผ ์ข‹์•„์•ผ๋งŒ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
08:17
Radio waves. There's another thing.
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์ „ํŒŒ. ์—ฌ๊ธฐ ๋˜ ์žˆ์Šต๋‹ˆ๋‹ค.
08:19
Heinrich Hertz, when he discovered radio waves in 1887,
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ํ•˜์ธ๋ฆฌํžˆ ํ—ค๋ฅด์ธ ๊ฐ€ 1887๋…„์— ์ „ํŒŒ๋ฅผ ๋ฐœ๊ฒฌํ–ˆ์„ ๋•Œ,
08:22
he called them radio waves because they radiated.
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๊ทธ๊ฒƒ์ด ์‚ฌ๋ฐฉ์œผ๋กœ ํผ์ ธ์„œ ๊ทธ๋Š” ์ „ํŒŒ๋ผ๊ณ  ๋ถˆ๋ €์Šต๋‹ˆ๋‹ค.
08:24
And somebody said to him,
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๊ทธ๋ฆฌ๊ณ  ๋ˆ„๊ตฐ๊ฐ€ ๊ทธ์—๊ฒŒ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
08:27
"Well what's the point of these, Heinrich?
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"๊ทธ๋ž˜, ํ•˜์ธ๋ฆฌํžˆ ๊ทธ๊ฒŒ ๋ญ์•ผ?
08:29
What's the point of these radio waves that you've found?"
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๋„ค๊ฐ€ ๋ฐœ๊ฒฌํ•œ ์ „ํŒŒ๋ผ๋Š” ๊ฒŒ ๋ญ๋ƒ๊ณ ?"
08:32
And he said, "Well, I've no idea.
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๊ทธ๊ฐ€ ๋‹ตํ–ˆ์Šต๋‹ˆ๋‹ค. "์Œ, ๋‚˜๋„ ๋ชฐ๋ผ.
08:34
But I guess somebody will find a use for them someday."
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ํ•˜์ง€๋งŒ ์•„๋งˆ๋„ ๋ˆ„๊ตฐ๊ฐ€๋Š” ์–ธ์  ๊ฐ€ ๊ทธ๊ฑธ ์‚ฌ์šฉํ•  ๊ฑฐ์•ผ."
08:37
And that's what they do, radio. That's what they discovered.
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๊ฒฐ๊ตญ ๋ผ๋””์˜ค๊ฐ€ ๊ทธ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ทธ๋“ค์ด ๋ฐœ๊ฒฌํ•œ ๊ฒƒ์ด ์ด๊ฒƒ์ž…๋‹ˆ๋‹ค.
08:41
Anyway, so the biggest thing
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์•„๋ฌดํŠผ, ๋ณด์ด์ง€ ์•Š๋Š” ๊ฒƒ ์ค‘ ๊ฐ€์žฅ ํฐ ๊ฒƒ์€
08:44
that's invisible to us is what we don't know.
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์šฐ๋ฆฌ๊ฐ€ ๋ชจ๋ฅด๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
08:46
It is incredible how little we know.
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์šฐ๋ฆฌ๊ฐ€ ์–ผ๋งˆ๋‚˜ ์กฐ๊ธˆ ์•„๋Š”์ง€ ๋†€๋ž์Šต๋‹ˆ๋‹ค.
08:49
Thomas Edison once said,
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ํ† ๋งˆ์Šค ์—๋””์Šจ์€ ์–˜๊ธฐํ–ˆ์Šต๋‹ˆ๋‹ค.
08:51
"We don't know one percent of one millionth
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"์šฐ๋ฆฌ๋Š” ์–ด๋–ค ๊ฒƒ์˜
08:53
about anything."
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๋ฐฑ๋งŒ๋ถ„์˜ ์ผ์˜ 1%๋„ ๋ชจ๋ฆ…๋‹ˆ๋‹ค."
08:55
And I've come to the conclusion --
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์—ฌ๋Ÿฌ๋ถ„๋“ค์ด "๋ณผ ์ˆ˜ ์—†๋Š” ๊ฒƒ์ด ๋˜ ๋ญ๊ฐ€ ์žˆ๋‚˜์š”?"๋ผ๊ณ 
08:58
because you've asked this other question, "What's another thing you can't see?"
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๋ฌผ์—ˆ๊ธฐ์— ์ €๋Š” ์ด๋ ‡๊ฒŒ ๊ฒฐ๋ก ์ง“์Šต๋‹ˆ๋‹ค.
09:01
The point, most of us. What's the point?
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์šฐ๋ฆฌ ๋Œ€๋ถ€๋ถ„์˜ ์š”์ง€. ๋ฌด์—‡์ด ์š”์ง€์ธ๊ฐ€?
09:04
(Laughter)
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(์›ƒ์Œ)
09:07
(Applause)
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(๋ฐ•์ˆ˜)
09:08
You can't see a point. It's by definition dimensionless,
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์š”์ง€๋Š” ๋ณผ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ์˜๋ฏธ์ƒ
09:11
like an electron, oddly enough.
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๋ฌด์ฐจ์›์ด๋ฉฐ, ์ „์ž์™€ ๊ฐ™์ด ๋ฌ˜ํ•ฉ๋‹ˆ๋‹ค.
09:14
But the point, what I've got it down to,
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๊ทธ๋Ÿฌ๋‚˜ ์ œ๊ฐ€ ๋„๋‹ฌํ•œ ๊ฒฐ๋ก ์€
09:17
is there are only two questions really worth asking.
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๋ฌผ์–ด๋ณผ ๊ฐ€์น˜๊ฐ€ ์žˆ๋Š” ์งˆ๋ฌธ์ด ๋”ฑ ๋‘ ๊ฐ€์ง€๋ผ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
09:19
"Why are we here?" and "What should we do about it while we are?
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"์šฐ๋ฆฌ๋Š” ์™œ ์—ฌ๊ธฐ ์žˆ๋Š”๊ฐ€?"์™€ "์žˆ๋Š” ๋™์•ˆ ๋ฌด์—‡์„ ํ•ด์•ผํ•˜๋Š”๊ฐ€?"
09:24
And to help you, I've got two things to leave you with, from two great philosophers,
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์—ฌ๋Ÿฌ๋ถ„์„ ๋•๊ธฐ ์œ„ํ•ด, ๋‘ ๋ช…์˜ ์œ„๋Œ€ํ•œ ์ฒ ํ•™์ž๊ฐ€ ๋‚จ๊ธด ๋‘ ๊ฐ€์ง€๋ฅผ ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
09:29
perhaps two of the greatest philosopher thinkers of the 20th century,
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์•„๋งˆ๋„ 20์„ธ๊ธฐ์˜ ๊ฐ€์žฅ ํ›Œ๋ฅญํ•œ ์‚ฌ์ƒ๊ฐ€ ์ผ ๊ฒ๋‹ˆ๋‹ค.
09:32
one a mathematician and an engineer, and the other a poet.
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ํ•œ ๋ถ„์€ ์ˆ˜ํ•™์ž์ด๋ฉด์„œ ๊ณตํ•™์ž์ด๊ณ , ๋‹ค๋ฅธ ๋ถ„์€ ์‹œ์ธ์ด์‹ญ๋‹ˆ๋‹ค.
09:35
The first is Ludwig Wittgenstein who said,
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๋จผ์ € ๋ฃจ๋“œ๋น… ๋น„ํŠธ๊ฒ์Šˆํƒ€์ธ์€ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
09:39
"I don't know why we are here.
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"์šฐ๋ฆฌ๊ฐ€ ์™œ ์—ฌ๊ธฐ ์žˆ๋Š”์ง€ ์ €๋Š” ๋ชจ๋ฆ…๋‹ˆ๋‹ค.
09:41
But I'm pretty sure it's not in order to enjoy ourselves."
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ํ•˜์ง€๋งŒ ๋ถ„๋ช…ํ•œ ๊ฒƒ์€ ์šฐ๋ฆฌ๊ฐ€ ์ฆ๊ธฐ๊ธฐ์—” ์ ํ•ฉํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค."
09:44
(Laughter)
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(์›ƒ์Œ)
09:50
He was a cheerful bastard wasn't he?
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๊ทธ ๋ถ„์€ ์žฌ๋ฏธ์žˆ์œผ์…จ์Šต๋‹ˆ๋‹ค.
09:52
(Laughter)
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(์›ƒ์Œ)
09:55
And secondly and lastly, W.H. Auden,
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๋งˆ์ง€๋ง‰์œผ๋กœ ์ œ๊ฐ€ ์ข‹์•„ํ•˜๋Š” ์‹œ์ธ์ธ
09:57
one of my favorite poets, who said,
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์œ„์Šคํ„ด ์˜ค๋“ ์€ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
09:59
"We are here on earth
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"์šฐ๋ฆฌ๋Š” ์ง€๊ตฌ์ƒ์—์„œ ๋‹ค๋ฅธ ์‚ฌ๋žŒ์„
10:02
to help others.
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๋•๊ธฐ ์œ„ํ•ด ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.
10:04
What the others are here for, I've no idea."
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๋‹ค๋ฅธ ์‚ฌ๋žŒ์ด ์™œ ์žˆ๋Š”์ง€๋Š” ์ž˜ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค."
10:07
(Laughter)
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(์›ƒ์Œ)
10:09
(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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