You are more transparent than you think - Sajan Saini

598,737 views ใƒป 2019-06-04

TED-Ed


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

๋ฒˆ์—ญ: Jungmin Hwang ๊ฒ€ํ† : DK Kim
00:08
Itโ€™s an increasingly common sight in hospitals around the world:
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์ด ์žฅ๋ฉด์€ ์„ธ๊ณ„ ๊ณณ๊ณณ์˜ ๋ณ‘์›์—์„œ ์ ์  ํ”ํ•˜๊ฒŒ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:12
a nurse measures our height, weight, blood pressure,
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๊ฐ„ํ˜ธ์‚ฌ๊ฐ€ ์šฐ๋ฆฌ์˜ ํ‚ค์™€ ๋ชธ๋ฌด๊ฒŒ, ํ˜ˆ์••์„ ์žฌ๊ณ 
00:15
and attaches a glowing plastic clip to our finger.
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๋ฐ˜์ง์ด๋Š” ํ”Œ๋ผ์Šคํ‹ฑ ์ง‘๊ฒŒ๋ฅผ ์†๊ฐ€๋ฝ์— ๋ถ™์ž…๋‹ˆ๋‹ค.
00:19
Suddenly, a digital screen reads out the oxygen level in our bloodstream.
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๋จธ์ง€ ์•Š์•„ ๋””์ง€ํ„ธ ํ™”๋ฉด์— ํ˜ˆ์ค‘ ์‚ฐ์†Œ ์ˆ˜์น˜๊ฐ€ ๋‚˜ํƒ€๋‚ฉ๋‹ˆ๋‹ค.
00:24
How did that happen?
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์–ด๋–ป๊ฒŒ ์ด๋Ÿฐ ์ผ์ด ๊ฐ€๋Šฅํ• ๊นŒ์š”?
00:25
How can a plastic clip learn something about our bloodโ€ฆ
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์–ด๋–ป๊ฒŒ ์ด ํ”Œ๋ผ์Šคํ‹ฑ ์ง‘๊ฒŒ๋กœ ํ˜ˆ์•ก์˜ ์ƒํƒœ๋ฅผ ์•Œ ์ˆ˜ ์žˆ์„๊นŒ์š”?
00:29
without a blood sample?
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ํ˜ˆ์•ก ์ƒ˜ํ”Œ ์—†์ด๋„ ๋ง์ด์ฃ .
00:31
Hereโ€™s the trick:
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์—ฌ๊ธฐ ๊ทธ ๋‹ต์ด ์žˆ์Šต๋‹ˆ๋‹ค.
00:32
our bodies are translucent,
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์šฐ๋ฆฌ ์‹ ์ฒด๋Š” ๋ฐ˜ํˆฌ๋ช… ์ƒํƒœ์ด๋ฉฐ
00:34
meaning they donโ€™t completely block and reflect light.
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์ด๋Š” ์‹ ์ฒด๊ฐ€ ๋น›์„ ์™„์ „ํžˆ ๋ง‰๊ฑฐ๋‚˜ ๋ฐ˜์‚ฌ์‹œํ‚ค์ง€ ์•Š๋Š”๋‹ค๋Š” ๋œป์ž…๋‹ˆ๋‹ค.
00:38
Rather, they allow some light to actually pass through our skin,
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์˜คํžˆ๋ ค ์ผ๋ถ€ ๋น›์ด ์šฐ๋ฆฌ ํ”ผ๋ถ€์™€ ๊ทผ์œก, ํ˜ˆ๊ด€์„ ํ†ต๊ณผํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:42
muscles, and blood vessels.
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00:44
Donโ€™t believe it?
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๋ฏฟ์ง€ ๋ชปํ•˜์‹œ๊ฒ ๋‚˜์š”?
00:45
Hold a flashlight to your thumb.
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์†์ „๋“ฑ์„ ์—„์ง€ ์†๊ฐ€๋ฝ์— ๋Œ€ ๋ณด์„ธ์š”.
00:47
Light, it turns out, can help probe the insides of our bodies.
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๋น›์˜ ๋„์›€์œผ๋กœ ์šฐ๋ฆฌ ์‹ ์ฒด ๋‚ด๋ถ€๋ฅผ ์‚ดํŽด๋ณผ ์ˆ˜ ์žˆ์Œ์„ ์•Œ๊ฒŒ ๋  ๊ฒ๋‹ˆ๋‹ค.
00:52
Consider that medical fingerclipโ€”
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์•ž์„œ ๋‚˜์˜จ ์†๊ฐ€๋ฝ ์ง‘๊ฒŒ์— ๋Œ€ํ•ด ์ƒ๊ฐํ•ด ๋ด…์‹œ๋‹ค.
00:55
itโ€™s called a pulse oximeter.
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๊ทธ๊ฒƒ์€ ์‚ฐ์†Œํฌํ™”๋„ ์ธก์ •๊ธฐ๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
00:57
When you inhale, your lungs transfer oxygen into hemoglobin molecules,
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์ˆจ์„ ๋“ค์ด๋งˆ์‹ค ๋•Œ ์šฐ๋ฆฌ์˜ ํ๋Š” ์‚ฐ์†Œ๋ฅผ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ ๋ถ„์ž๋กœ ์˜ฎ๊ธฐ๋Š”๋ฐ
01:02
and the pulse oximeter measures the ratio of oxygenated to oxygen-free hemoglobin.
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์ด ์ธก์ •๊ธฐ๋Š” ์‚ฐ์†Œ์™€ ๊ฒฐํ•ฉํ•œ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ๊ณผ ๊ทธ๋ ‡์ง€ ์•Š์€ ๊ฒƒ์˜ ๋น„์œจ์„ ์ธก์ •ํ•ฉ๋‹ˆ๋‹ค.
01:09
It does this by using a tiny red LED light on one side of the fingerclip,
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์†๊ฐ€๋ฝ ์ง‘๊ฒŒ์˜ ํ•œ์ชฝ ๋ฉด์— ๋‹ฌ๋ฆฐ ์ž‘์€ ๋นจ๊ฐ„ LED ๋“ฑ๊ณผ
01:14
and a small light detector on the other.
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๋ฐ˜๋Œ€ํŽธ์— ๋‹ฌ๋ฆฐ ์ž‘์€ ๋น› ๊ฐ์ง€๊ธฐ๋กœ ์ž‘๋™ํ•˜์ฃ .
01:17
When the LED shines into your finger,
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LED๊ฐ€ ์†๊ฐ€๋ฝ์— ๋น›์„ ๋น„์ถ”๋ฉด
01:19
oxygen-free hemoglobin in your blood vessels absorbs the red light
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์‚ฐ์†Œ์™€ ๊ฒฐํ•ฉํ•˜์ง€ ์•Š์€ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ์€
์‚ฐ์†Œ์™€ ๊ฒฐํ•ฉ๋œ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ๋ณด๋‹ค ๋นจ๊ฐ„ ๋น›์„ ๋” ๋งŽ์ด ํก์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.
01:24
more strongly than its oxygenated counterpart.
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01:27
So the amount of light that makes it out the other side
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๋”ฐ๋ผ์„œ ๋ฐ˜๋Œ€ํŽธ์— ๋„๋‹ฌํ•˜๋Š” ๋น›์˜ ์–‘์€
01:30
depends on the concentration ratio of the two types of hemoglobin.
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๊ทธ ๋‘ ์ข…๋ฅ˜์˜ ํ—ค๋ชจ๊ธ€๋กœ๋นˆ์˜ ๋น„์œจ์— ๋”ฐ๋ผ ๋‹ฌ๋ผ์ง€์ฃ .
01:35
But any two patients will have different-sized blood vessels in their fingers.
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๊ทธ๋Ÿฌ๋‚˜ ํ™˜์ž๋“ค์˜ ์†๊ฐ€๋ฝ ํ˜ˆ๊ด€์€ ํฌ๊ธฐ๊ฐ€ ๋‹ค ๋‹ค๋ฆ…๋‹ˆ๋‹ค.
01:39
For one patient, a saturation reading of ninety-five percent
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์–ด๋–ค ํ™˜์ž์˜ ๊ฒฝ์šฐ์—๋Š” 95%์˜ ํฌํ™”๋„๊ฐ€
01:43
corresponds to a healthy oxygen level,
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์ •์ƒ ์‚ฐ์†Œ ์ˆ˜์น˜์ผ ์ˆ˜๋„ ์žˆ๊ณ 
01:45
but for another with smaller arteries,
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์–ด๋–ค ์‚ฌ๋žŒ์€ ๋™๋งฅ์ด ๋” ์ž‘์•„์„œ
01:47
the same reading could dangerously misrepresent the actual oxygen level.
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๊ฐ™์€ ์ˆ˜์น˜๊ฐ€ ์œ„ํ—˜์„ ์•ผ๊ธฐํ•  ์ •๋„๋กœ ์‹ค์ œ ์ˆ˜์น˜๋ฅผ ์ž˜๋ชป ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:53
This can be accounted for with a second infrared wavelength LED.
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์ด ๋ฌธ์ œ๋Š” ์ ์™ธ์„  ํŒŒ์žฅ์„ ๋‚ด๋Š” ๋‘ ๋ฒˆ์งธ LED๋กœ ํ•ด๊ฒฐํ•ฉ๋‹ˆ๋‹ค.
01:57
Light comes in a vast spectrum of wavelengths,
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๋น›์€ ๋„“์€ ๋ฒ”์œ„์˜ ํŒŒ์žฅ์œผ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๊ณ 
02:00
and infrared light lies just beyond the visible colors.
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์ ์™ธ์„ ์€ ๊ฐ€์‹œ๊ด‘์„  ๋ฒ”์œ„์˜ ๋ฐ”๋กœ ๋ฐ”๊นฅ์— ์œ„์น˜ํ•ฉ๋‹ˆ๋‹ค.
02:04
All molecules, including hemoglobin,
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ํ—ค๋ชจ๊ธ€๋กœ๋นˆ์„ ํฌํ•จํ•œ ๋ชจ๋“  ๋ถ„์ž๋Š”
02:07
absorb light at different efficiencies across this spectrum.
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๋น› ์ŠคํŽ™ํŠธ๋Ÿผ ์ƒ์˜ ๋‹ค์–‘ํ•œ ๋น›์„ ๊ฐ๊ธฐ ๋‹ค๋ฅธ ํšจ์œจ๋กœ ํก์ˆ˜ํ•ฉ๋‹ˆ๋‹ค.
02:11
So contrasting the absorbance of red to infrared light
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๋นจ๊ฐ„ ๋น›๊ณผ ์ ์™ธ์„ ์˜ ํก์ˆ˜์œจ์„ ์„œ๋กœ ๋น„๊ตํ•ด ๋ณด๋ฉด
02:15
provides a chemical fingerprint to eliminate the blood vessel size effect.
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ํ˜ˆ๊ด€ ํฌ๊ธฐ์— ๋”ฐ๋ฅธ ์˜ค์ฐจ๋ฅผ ์ œ๊ฑฐํ•  "ํ™”ํ•™์  ์ง€๋ฌธ"์„ ์–ป์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
02:20
Today, an emerging medical sensor industry is exploring all-new degrees
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์˜ค๋Š˜๋‚  ์˜ํ•™ ์„ผ์„œ ์‚ฐ์—…์˜ ์„ฑ์žฅ์œผ๋กœ ์ธํ•ด
์ƒˆ๋กœ์šด ์ˆ˜์ค€์˜ ์ •๋ฐ€ ํ™”ํ•™์  ์ง€๋ฌธ์ด ์—ฐ๊ตฌ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:25
of precision chemical fingerprinting,
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02:27
using tiny light-manipulating devices no larger than a tenth of a millimeter.
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์ด๋Š” 10๋ถ„์˜ 1mm ๋ณด๋‹ค๋„ ์ž‘์€ ์ดˆ์†Œํ˜• ๋น› ์กฐ์ž‘ ์žฅ์น˜ ๋•๋ถ„์ž…๋‹ˆ๋‹ค.
02:32
This microscopic technology,
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์ด ์ •๋ฐ€ ๊ธฐ์ˆ ์€ ํ†ตํ•ฉ๊ด‘ํ•™์ด๋ผ ๋ถ€๋ฆ…๋‹ˆ๋‹ค.
02:34
called integrated photonics,
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02:36
is made from wires of silicon that guide lightโ€”
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์ด ์‹ค๋ฆฌ์ฝ˜ ๊ฐ€๋‹ฅ๋“ค์€ ๋น›์„ ๋ฐฐ์ˆ˜๊ด€์— ๋ฌผ์ด ํ๋ฅด๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ์ด๋Œ๊ณ 
02:40
like water in a pipeโ€”
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02:41
to redirect, reshape, even temporarily trap it.
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๋ฐฉํ–ฅ์ด๋‚˜ ๋ชจ์–‘์„ ๋ฐ”๊พธ๊ณ  ์‹ฌ์ง€์–ด ์ผ์‹œ์ ์œผ๋กœ ๊ฐ€๋‘๊ธฐ๊นŒ์ง€ ํ•ฉ๋‹ˆ๋‹ค.
02:46
A ring resonator device, which is a circular wire of silicon,
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๊ณ ๋ฆฌ ๊ณต๋ช…์žฅ์น˜๋Š” ์›ํ˜•์˜ ์‹ค๋ฆฌ์ฝ˜ ๊ฐ€๋‹ฅ๋“ค๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ์Šต๋‹ˆ๋‹ค.
02:50
is a light trapper that enhances chemical fingerprinting.
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ํ™”ํ•™์  ์ง€๋ฌธ ์ธ์‹์ด ๋” ์ž˜ ์ด๋ฃจ์–ด์ง€๋„๋ก ์ด ์žฅ์น˜๋Š” ๋น›์„ ๊ฐ€๋‘ก๋‹ˆ๋‹ค.
02:53
When placed close to a silicon wire,
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์‹ค๋ฆฌ์ฝ˜ ๊ฐ€๋‹ฅ๋“ค์— ๊ฐ€๊นŒ์ด ๋‘์—ˆ์„ ๋•Œ
02:56
a ring siphons off and temporarily stores only certain waves of lightโ€”
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๊ณ ๋ฆฌ๊ฐ€ ๋น›์„ ํก์ˆ˜ํ•˜๊ณ  ์ผ์‹œ์ ์œผ๋กœ ํŠน์ • ํŒŒ์žฅ์˜ ๋น›๋งŒ ์ €์žฅํ•ฉ๋‹ˆ๋‹ค.
03:01
those whose periodic wavelength fits a whole number of times
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๊ณ ๋ฆฌ์˜ ๋‘˜๋ ˆ ๊ธธ์ด์˜ ์ •์ˆ˜๋ฐฐ์™€ ์ผ์น˜ํ•˜๋Š” ํŒŒ์žฅ์„ ๊ฐ€์ง„ ๋น› ๋ง์ด์ฃ .
03:04
along the ringโ€™s circumference.
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03:06
Itโ€™s the same effect at work when we pluck guitar strings.
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๊ธฐํƒ€ ์ค„์„ ํŠ•๊ธธ ๋•Œ์™€ ๋น„์Šทํ•ฉ๋‹ˆ๋‹ค.
03:10
Only certain vibrating patterns dominate a string of a particular length,
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๋ฒ ์ด์Šค ๋ฉœ๋กœ๋””์™€ ํ™”์Œ์„ ํ˜•์„ฑํ•˜๊ธฐ ์œ„ํ•ด
03:15
to give a fundamental note and its overtones.
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ํŠน์ • ๊ธธ์ด์˜ ํ˜„์— ํŠน์ •ํ•œ ์ง„๋™ ํŒจํ„ด์ด ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
03:18
Ring resonators were originally designed
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์›๋ž˜ ๊ณ ๋ฆฌ ๊ณต๋ช… ์žฅ์น˜๋Š” ๋‹ค์–‘ํ•œ ํŒŒ์žฅ์˜ ๋น›์„ ์ „๋‹ฌํ•˜๊ธฐ ์œ„ํ•ด ๋งŒ๋“ค์–ด์กŒ์Šต๋‹ˆ๋‹ค.
03:20
to efficiently route different wavelengths of lightโ€”
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03:23
each a channel of digital dataโ€”
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๊ด‘์„ฌ์œ  ํ†ต์‹ ๋ง์œผ๋กœ ์—ฌ๋Ÿฌ ์ฑ„๋„์˜ ๋””์ง€ํ„ธ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•˜๊ธฐ ์œ„ํ•œ ๊ฒƒ์ด์—ˆ์ฃ .
03:25
in fiber optics communication networks.
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03:28
But some day this kind of data traffic routing
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ํ•˜์ง€๋งŒ ์–ธ์  ๊ฐ€๋Š” ์ด ๋„คํŠธ์›Œํฌ ๊ธฐ๋ฒ•์ด
03:31
may be adapted for miniature chemical fingerprinting labs,
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์†Œํ˜• ํ™”ํ•™์  ์ง€๋ฌธ ์žฅ์น˜์—๋„ ์ ์šฉ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:35
on chips the size of a penny.
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10์›์งœ๋ฆฌ ๋™์ „๋งŒํ•œ ์ปดํ“จํ„ฐ ์นฉ์„ ์‚ฌ์šฉํ•ด์„œ ๋ง์ž…๋‹ˆ๋‹ค.
03:37
These future labs-on-a-chip may easily, rapidly,
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๋ฏธ๋ž˜์˜ ์ง„๋‹จ ์นฉ์€ ์‰ฝ๊ณ  ๋น ๋ฅด๊ฒŒ, ๊ทธ๋ฆฌ๊ณ  ์ฒด๋‚ด์— ์ง์ ‘ ์‚ฝ์ž…ํ•˜์ง€ ์•Š๊ณ ๋„
03:41
and non-invasively detect a host of illnesses,
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์—ฌ๋Ÿฌ ์งˆ๋ณ‘์„ ์ฐพ์•„๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
03:44
by analyzing human saliva or sweat in a doctorโ€™s office
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ํƒ€์•ก์ด๋‚˜ ๋•€์˜ ์„ฑ๋ถ„ ๋ถ„์„์„
๋ณ‘์›์€ ๋ฌผ๋ก ์ด๊ณ  ์ง‘์—์„œ๋„ ๊ฐ„ํŽธํ•˜๊ฒŒ ์ง„ํ–‰ํ•  ์ˆ˜ ์žˆ์ฃ .
03:48
or the convenience of our homes.
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03:50
Human saliva in particular
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ํŠนํžˆ ์ธ๊ฐ„์˜ ํƒ€์•ก์€
03:53
mirrors the composition of our bodiesโ€™ proteins and hormones,
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์šฐ๋ฆฌ ๋ชธ์˜ ๋‹จ๋ฐฑ์งˆ๊ณผ ํ˜ธ๋ฅด๋ชฌ ๊ตฌ์„ฑ ์„ฑ๋ถ„์„ ์ž˜ ๋ฐ˜์˜ํ•ฉ๋‹ˆ๋‹ค.
03:56
and can give early-warning signals for certain cancers
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ํŠน์ • ์ข…๋ฅ˜์˜ ์•”์ด๋‚˜ ์ „์—ผ๋ณ‘ ํ˜น์€ ์ž๊ฐ€๋ฉด์—ญ ์งˆ๋ณ‘์— ๋Œ€ํ•œ
04:00
and infectious and autoimmune diseases.
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์กฐ๊ธฐ ๊ฒฝ๊ณ ๋ฅผ ๋‚ด๋ ค์ค„ ์ˆ˜ ์žˆ์ฃ .
04:03
To accurately identify an illness,
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์งˆ๋ณ‘์„ ์ •ํ™•ํ•˜๊ฒŒ ์ง„๋‹จํ•˜๊ธฐ ์œ„ํ•ด์„œ
04:05
labs-on-a-chip may rely on several methods,
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์ง„๋‹จ ์นฉ์— ์—ฌ๋Ÿฌ ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
04:08
including chemical fingerprinting,
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ํ™”ํ•™์  ์ง€๋ฌธ์ธ์‹๊ณผ ๊ฐ™์€ ๋ฐฉ๋ฒ•์„ ์ด์šฉํ•ด
04:10
to sift through the large mix of trace substances in a sample of spit.
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์นจ ์†์— ๋‹ค์–‘ํ•˜๊ฒŒ ์กด์žฌํ•˜๋Š” ๋ฏธ๋Ÿ‰ ์„ฑ๋ถ„๋“ค์„ ์ฐพ์•„๋‚ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
04:15
Various biomolecules in saliva absorb light at the same wavelengthโ€”
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ํƒ€์•ก์— ์žˆ๋Š” ์—ฌ๋Ÿฌ ์ƒ์ฒด๋ถ„์ž๋“ค์€ ๋™์ผํ•œ ํŒŒ์žฅ์˜ ๋น›์„ ํก์ˆ˜ํ•˜์ง€๋งŒ
04:19
but each has a distinct chemical fingerprint.
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์ €๋งˆ๋‹ค ๋…ํŠนํ•œ ํ™”ํ•™์  ์ง€๋ฌธ์„ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:22
In a lab-on-a-chip, after the light passes through a saliva sample,
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์ง„๋‹จ ์นฉ์—์„œ๋Š” ๋น›์ด ํƒ€์•ก ํ‘œ๋ณธ์„ ํˆฌ๊ณผํ•œ ์ดํ›„
04:26
a host of fine-tuned rings
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์ •๋ฐ€ํ•˜๊ฒŒ ์กฐ์ ˆ๋œ ๊ณ ๋ฆฌ๋“ค์ด
04:29
may each siphon off a slightly different wavelength of light
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๊ฐ๊ฐ ์กฐ๊ธˆ์”ฉ ๋‹ค๋ฅธ ํŒŒ์žฅ์˜ ๋น›์„ ํก์ˆ˜ํ•ด์„œ
04:32
and send it to a partner light detector.
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์ง์„ ์ด๋ฃจ๋Š” ํƒ์ง€๊ธฐ๋กœ ๋ณด๋ƒ…๋‹ˆ๋‹ค.
04:35
Together, this bank of detectors will resolve
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์ด ํƒ์ง€๊ธฐ๋“ค์€ ํž˜์„ ํ•ฉ์ณ
04:38
the cumulative chemical fingerprint of the sample.
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์ „์ฒด์ ์ธ ํ™”ํ•™์  ์ง€๋ฌธ์„ ์ถ”์ •ํ•ฉ๋‹ˆ๋‹ค.
04:41
From this information, a tiny on-chip computer,
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์ž‘์€ ์ปดํ“จํ„ฐ ์นฉ์€ ์ด ์ •๋ณด๋ฅผ ์ด์šฉํ•ด์„œ
04:44
containing a library of chemical fingerprints for different molecules,
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๋‚ด์žฅํ•˜๊ณ  ์žˆ๋Š” ์—ฌ๋Ÿฌ ๋ถ„์ž์˜ ํ™”ํ•™์  ์ง€๋ฌธ ์ž๋ฃŒ์™€ ๋น„๊ตํ•˜๊ณ 
04:47
may figure out their relative concentrations,
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์ƒ๋Œ€ ํฌํ™”๋„๋ฅผ ๊ณ„์‚ฐํ•˜๋ฉฐ
04:50
and help diagnose a specific illness.
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ํŠน์ • ์งˆ๋ณ‘๋ช…๋„ ์ง„๋‹จํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
04:53
From globe-trotting communications to labs-on-a-chip,
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์ „ ์„ธ๊ณ„๋ฅผ ์ด์–ด์ฃผ๋Š” ํ†ต์‹  ๊ธฐ์ˆ ๋ถ€ํ„ฐ ์ง„๋‹จ ์นฉ๊นŒ์ง€
04:57
humankind has repurposed light to both carry and extract information.
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์ธ๋ฅ˜๋Š” ๋น›์„ ์ด์šฉํ•ด์„œ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•˜๊ณ  ์ถ”์ถœํ•  ์ˆ˜๋„ ์žˆ๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
05:02
Its ability to illuminate continues to astonish us with new discoveries.
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๋ฐ๊ฒŒ ๋น„์ถ”๋Š” ๋น›์˜ ๋Šฅ๋ ฅ์€ ๊ณ„์†ํ•ด์„œ ์ƒˆ๋กœ์šด ๋ฐœ๊ฒฌ์œผ๋กœ ์šฐ๋ฆฌ๋ฅผ ๋†€๋ž˜ํ‚ฌ ๊ฒ๋‹ˆ๋‹ค.
์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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