The surprisingly long history of electric cars - Daniel Sperling and Gil Tal

502,731 views ใƒป 2021-10-26

TED-Ed


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

๋ฒˆ์—ญ: ji yoon Kang ๊ฒ€ํ† : DK Kim
00:06
If you were buying a car in 1899,
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1899๋…„์— ์ฐจ๋ฅผ ์‚ฌ๋Š” ๊ฒฝ์šฐ,
00:09
you wouldโ€™ve had three major options to choose from.
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์„ ํƒ ๊ฐ€๋Šฅํ•œ ์ฃผ์š” ๋Œ€์•ˆ์ด ์„ธ ๊ฐ€์ง€ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:13
You could buy a steam-powered car.
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์ฆ๊ธฐ ๊ธฐ๊ด€ ์ž๋™์ฐจ๋ฅผ ์‚ด ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:15
Typically relying on gas-powered boilers, these could drive as far as you wantedโ€”
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๋Œ€๊ฐœ๋Š” ํœ˜๋ฐœ์œ  ๋ณด์ผ๋Ÿฌ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ
์›ํ•˜๋Š” ๋งŒํผ ๋ฉ€๋ฆฌ ๊ฐˆ ์ˆ˜ ์žˆ์—ˆ์ฃ .
00:20
provided you also wanted to lug around extra water to refuel
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๋ณด์ถฉ ์—ฐ๋ฃŒ๋กœ ์—ฌ๋ถ„์˜ ๋ฌผ์„ ๋“ค๊ณ  ๋‹ค๋‹ˆ๊ณ 
00:24
and didnโ€™t mind waiting 30 minutes for your engine to heat up.
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์—”์ง„ ์˜ˆ์—ด์„ ์œ„ํ•ด 30๋ถ„์„ ๊ธฐ๋‹ค๋ฆฌ๋Š” ๊ฒƒ๋„ ๋ฌธ์ œ์—†๋‹ค๋ฉด์š”.
00:27
Alternatively, you could buy a car powered by gasoline.
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์•„๋‹ˆ๋ฉด, ํœ˜๋ฐœ์œ  ์ฐจ๋ฅผ ์‚ด ์ˆ˜๋„ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:31
However, the internal combustion engines in these models
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๊ทธ๋Ÿฌ๋‚˜, ์ด ์ฐจ์˜ ๋‚ด๋ถ€ ์—ฐ์†Œ ๊ธฐ๊ด€์€
00:34
required dangerous hand-cranking to start
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์‹œ๋™์„ ๊ฑธ ๋•Œ ์œ„ํ—˜ํ•œ ์ˆ˜๋™ ์กฐ์ž‘์ด ํ•„์š”ํ•˜๊ณ 
00:37
and emitted loud noises and foul-smelling exhaust while driving.
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์šด์ „ ์ค‘ ํฐ ์†Œ์Œ๊ณผ ์•…์ทจ๊ฐ€ ๋‚˜๋Š” ๋งค์—ฐ์„ ๋ฐฉ์ถœํ•ฉ๋‹ˆ๋‹ค.
00:42
So your best bet was probably option number three:
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๋”ฐ๋ผ์„œ ๊ฐ€์žฅ ์ข‹์€ ๋ฐฉ๋ฒ•์€ ์•„๋งˆ๋„ ์„ธ ๋ฒˆ์งธ ์ข…๋ฅ˜์ผ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
00:45
a battery-powered electric vehicle.
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์ „์ง€๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ์ „๊ธฐ ์ฐจ์ฃ .
00:48
These cars were quick to start, clean and quiet to run,
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์ „๊ธฐ ์ฐจ๋Š” ๋นจ๋ฆฌ ์‹œ๋™์„ ๊ฑธ ์ˆ˜ ์žˆ๊ณ  ์šด์ „ํ•  ๋•Œ ์พŒ์ ํ•˜๊ณ  ์กฐ์šฉํ•ฉ๋‹ˆ๋‹ค.
00:52
and if you lived somewhere with access to electricity,
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๋˜ํ•œ ์ „๊ธฐ๊ฐ€ ๋“ค์–ด์˜ค๋Š” ๊ณณ์— ์‚ฐ๋‹ค๋ฉด
00:55
easy to refuel overnight.
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๋ฐค ์‚ฌ์ด์— ์‰ฝ๊ฒŒ ์žฌ์ถฉ์ „ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:58
If this seems like an easy choice, you're not alone.
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์ด๊ฑด ์‰ฌ์šด ๋ฌธ์ œ๋ผ๊ณ  ์ƒ๊ฐํ•˜์‹ ๋‹ค๋ฉด ๋‹ค๋ฅธ ์‚ฌ๋žŒ๋“ค๋„ ๋งˆ์ฐฌ๊ฐ€์ง€์˜€์Šต๋‹ˆ๋‹ค.
01:02
By the end of the 19th century, nearly 40% of American cars were electric.
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19์„ธ๊ธฐ ๋ง๊นŒ์ง€, ๋ฏธ๊ตญ ์ž๋™์ฐจ์˜ ๊ฑฐ์˜ 40%๋Š” ์ „๊ธฐ ์ฐจ์˜€์Šต๋‹ˆ๋‹ค.
01:08
In cities with early electric systems,
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์ดˆ๊ธฐ ์ „๊ธฐ ์‹œ์Šคํ…œ์„ ๋„์ž…ํ•œ ๋„์‹œ๋“ค์—์„œ๋Š”
01:10
battery-powered cars were a popular and reliable alternative
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์ „์ง€์‹ ์ฐจ๊ฐ€ ์ธ๊ธฐ ์žˆ๊ณ  ์‹ ๋ขฐํ•  ๋งŒํ•œ ๋Œ€์•ˆ์ด์—ˆ์ฃ .
01:14
to their occasionally explosive competitors.
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๊ฒฝ์Ÿ์ž๋“ค์€ ๊ฐ€๋” ํญ๋ฐœ ์‚ฌ๊ณ ๋ฅผ ์ผ์œผ์ผฐ์œผ๋‹ˆ๊นŒ์š”.
01:18
But electric vehicles had one major problemโ€”
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๊ทธ๋Ÿฌ๋‚˜ ์ „๊ธฐ ์ฐจ์—๋Š” ํฐ ๋ฌธ์ œ๊ฐ€ ํ•˜๋‚˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
01:21
batteries.
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๋ฐ”๋กœ ์ „์ง€์ž…๋‹ˆ๋‹ค.
01:22
Early car batteries were expensive and inefficient.
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์ดˆ๊ธฐ ์ž๋™์ฐจ ์ „์ง€๋Š” ๋น„์‹ธ๊ณ  ๋น„ํšจ์œจ์ ์ด์—ˆ์Šต๋‹ˆ๋‹ค.
01:26
Many inventors, including Thomas Edison,
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ํ† ๋งˆ์Šค ์—๋””์Šจ ๊ฐ™์€ ๋งŽ์€ ๋ฐœ๋ช…๊ฐ€๋“ค์ด
01:28
tried to build batteries that stored more electricity.
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๋” ๋งŽ์€ ์–‘์˜ ์ „๊ธฐ๋ฅผ ์ €์žฅํ•˜๋Š” ์ „์ง€๋ฅผ ๋งŒ๋“ค๊ณ ์ž ํ–ˆ์Šต๋‹ˆ๋‹ค.
01:31
Others even built exchange stations in urban areas to swap out dead batteries
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๋‹ค๋ฅธ ๋ฐœ๋ช…๊ฐ€๋“ค์€ ๋„์‹œ์— ๊ตํ™˜์†Œ๋ฅผ ์„ธ์šฐ๊ธฐ๋„ ํ–ˆ์ฃ .
๋ฐฉ์ „๋œ ์ „์ง€๋ฅผ ์ถฉ์ „๋œ ์ „์ง€๋กœ ๊ตํ™˜ํ•˜๋Š” ์‹œ์„ค์ด์—ˆ์ฃ .
01:36
for charged ones.
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01:38
But these measures werenโ€™t enough to allow electric vehicles to make long trips.
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๊ทธ๋Ÿฌ๋‚˜ ์ด ๋ฐฉ๋ฒ•๋“ค์€ ์ „๊ธฐ ์ฐจ๋ฅผ ํƒ€๊ณ  ๋ฉ€๋ฆฌ ์ด๋™ํ•˜๊ธฐ์—๋Š” ๋ถ€์กฑํ–ˆ์Šต๋‹ˆ๋‹ค.
01:42
And at over twice the price of a gas-powered car,
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๊ฒŒ๋‹ค๊ฐ€ ํœ˜๋ฐœ์œ  ์ฐจ๋ณด๋‹ค ๊ฐ€๊ฒฉ์ด ๋‘ ๋ฐฐ ์ด์ƒ ๋น„์‹ธ์„œ
01:46
many couldnโ€™t afford these luxury items.
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๋งŽ์€ ์‚ฌ๋žŒ๋“ค์€ ์ด ๊ณ ๊ธ‰ ์ œํ’ˆ์„ ์‚ด ์ˆ˜ ์—†์—ˆ์Šต๋‹ˆ๋‹ค.
01:49
At the same time, oil discoveries lowered the price of gasoline,
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๋™์‹œ์—, ์„์œ ์˜ ๋ฐœ๊ฒฌ์ด ํœ˜๋ฐœ์œ  ๊ฐ€๊ฒฉ์„ ๋‚ฎ์ท„์Šต๋‹ˆ๋‹ค.
01:54
and new advances made internal combustion engines more appealing.
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๋˜ํ•œ ์ƒˆ๋กœ์šด ๋ฐœ์ „์œผ๋กœ ๋‚ด์—ฐ ๊ธฐ๊ด€์˜ ์ธ๊ธฐ๊ฐ€ ๋” ๋†’์•„์กŒ์ฃ .
01:58
Electric starters removed the need for hand-cranking,
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์ „๊ธฐ ์‹œ๋™ ์žฅ์น˜๋Š” ์ˆ˜๋™ ์กฐ์ž‘์„ ํ•„์š” ์—†๊ฒŒ ํ–ˆ๊ณ 
02:01
mufflers made engines quieter and rubber engine mounts reduced vibration.
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์†Œ์Œ๊ธฐ๋Š” ์—”์ง„ ์†Œ์Œ์„ ์ค„์˜€์œผ๋ฉฐ ๊ณ ๋ฌด ์ง€์ง€๋Œ€๋Š” ์ง„๋™์„ ์ค„์˜€์Šต๋‹ˆ๋‹ค.
02:07
In 1908, Ford released the Model T;
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1908๋…„์—, ํฌ๋“œ์‚ฌ๋Š” T ๋ชจ๋ธ์„ ์ถœ์‹œํ•ฉ๋‹ˆ๋‹ค.
02:11
a cheap, high-quality gas-powered car that captured the public imagination.
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์ €๋ ดํ•œ ๊ณ ํ’ˆ์งˆ ํœ˜๋ฐœ์œ  ์ฐจ๋กœ์„œ ๋Œ€์ค‘์˜ ๋งˆ์Œ์„ ํœ˜์–ด์žก์•˜์ฃ .
02:17
By 1915, the percentage of electric cars on the road had plummeted.
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1915๋…„, ๋„๋กœ ์œ„ ์ „๊ธฐ ์ฐจ ๋น„์œจ์€ ๊ธ‰๊ฒฉํžˆ ๊ฐ์†Œํ–ˆ์Šต๋‹ˆ๋‹ค.
02:23
For the next 55 years, internal combustion engines ruled the roads.
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๊ทธ ํ›„ 55๋…„ ๋™์•ˆ, ๋‚ด์—ฐ ๊ธฐ๊ด€์ด ๋„๋กœ๋ฅผ ์žฅ์•…ํ–ˆ์Šต๋‹ˆ๋‹ค.
02:28
Aside from some special-purpose vehicles, electric cars were nowhere to be found.
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๋ช‡๋ช‡ ํŠน์ˆ˜ ์šฉ๋„ ์ฐจ๋Ÿ‰์„ ์ œ์™ธํ•˜๊ณ ๋Š” ์–ด๋””์„œ๋„ ์ „๊ธฐ ์ฐจ๋ฅผ ์ฐพ์„ ์ˆ˜ ์—†์—ˆ์ฃ .
02:34
However, in the 1970s, the tide began to turn.
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๊ทธ๋Ÿฌ๋‚˜, 1970๋…„๋Œ€์— ํ๋ฆ„์ด ๋ฐ”๋€Œ๊ธฐ ์‹œ์ž‘ํ–ˆ์Šต๋‹ˆ๋‹ค.
02:38
US concerns about oil availability renewed interest in alternative energy sources.
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๋ฏธ๊ตญ์—์„œ๋Š” ์„์œ  ๊ฐ€์šฉ์„ฑ์— ๋Œ€ํ•œ ์šฐ๋ ค๋กœ
๋Œ€์ฒด ์—๋„ˆ์ง€ ์›์ฒœ์— ๊ด€ํ•œ ๊ด€์‹ฌ์ด ๋‹ค์‹œ ์‚ด์•„๋‚ฌ์Šต๋‹ˆ๋‹ค.
02:44
And studies in the 1980s linking car emissions with smog
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๋กœ์Šค์—”์ ค๋ ˆ์Šค ๊ฐ™์€ ๋„์‹œ์˜ ์Šค๋ชจ๊ทธ์™€ ์ž๋™์ฐจ ๋ฐฐ์ถœ ๊ฐ€์Šค์˜ ์ธ๊ณผ ๊ด€๊ณ„๋ฅผ ๋ณด๋Š”
02:48
in cities like Los Angeles
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1980๋…„๋Œ€์˜ ์—ฐ๊ตฌ๋Š”
02:50
encouraged governments and environmental organizations
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๊ฐ๊ตญ ์ •๋ถ€๋“ค๊ณผ ํ™˜๊ฒฝ ๋‹จ์ฒด๋“ค์ด
02:53
to reconsider electric vehicles.
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์ „๊ธฐ ์ฐจ๋ฅผ ๋‹ค์‹œ ๊ณ ๋ คํ•˜๋Š” ๊ณ„๊ธฐ๊ฐ€ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
02:56
At this point, car companies had spent decades
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์ด ์‹œ์ ์—, ์ž๋™์ฐจ ํšŒ์‚ฌ๋“ค์€ ์ˆ˜์‹ญ ๋…„ ๋™์•ˆ
02:59
investing in internal combustion engines without devoting any resources
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๋‚ด์—ฐ ๊ธฐ๊ด€์— ํˆฌ์ž๋ฅผ ํ•˜๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
๋ฐฑ ๋…„์ด ๋˜์–ด ๊ฐ€๋Š” ์ „์ง€ ๋ฌธ์ œ ํ•ด๊ฒฐ์—๋Š” ์–ด๋– ํ•œ ๋…ธ๋ ฅ๋„ ํ•˜์ง€ ์•Š์œผ๋ฉด์„œ์š”.
03:04
to solving the century-old battery problem.
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03:07
But other companies were developing increasingly efficient batteries
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๊ทธ๋Ÿฐ๋ฐ ๋‹ค๋ฅธ ํšŒ์‚ฌ๋“ค์€ ํœด๋Œ€์šฉ ์ „์ž๊ธฐ๊ธฐ ์ถฉ์ „์„ ์œ„ํ•œ
03:10
to power a new wave of portable electronics.
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๋” ํšจ์œจ์ ์ธ ์ „์ง€๋ฅผ ๊ฐœ๋ฐœํ•˜๊ณ  ์žˆ์—ˆ์ฃ .
03:14
By the 1990s, energy dense nickel metal hydride batteries were on the market,
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1990๋…„๋Œ€์—๋Š”, ์—๋„ˆ์ง€ ๋ฐ€๋„๊ฐ€ ๋†’์€ ๋‹ˆ์ผˆ ์ˆ˜์†Œ ํ•ฉ๊ธˆ ์ „์ง€๊ฐ€ ์ถœ์‹œ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
03:20
soon followed by lithium-ion batteries.
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๊ณง์ด์–ด ๋ฆฌํŠฌ ์ด์˜จ ์ „์ง€๊ฐ€ ์ถœ์‹œ๋์ฃ .
03:23
Alongside regulatory mandates by California to reduce smog,
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์บ˜๋ฆฌํฌ๋‹ˆ์•„ ์ฃผ์—์„œ ๋งค์—ฐ ๊ฐ์ถ• ๊ทœ์ œ ์˜๋ฌด๋ฅผ ๋ถ€๊ณผํ•˜๋ฉด์„œ
03:27
these innovations sparked a small wave of new electric vehicles,
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์ „์ง€์˜ ํ˜์‹ ์€ ์ƒˆ๋กœ์šด ์ „๊ธฐ ์ฐจ์— ์ž‘์€ ๋ถˆ๊ฝƒ์„ ์ผ์œผ์ผฐ์Šต๋‹ˆ๋‹ค.
03:32
including hybrid cars.
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ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ฐจ๋„ ๋‚˜์™”์Šต๋‹ˆ๋‹ค.
03:34
Hybrids arenโ€™t true electric vehicles;
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ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ฐจ๋Š” ์—„๋ฐ€ํ•œ ์˜๋ฏธ์˜ ์ „๊ธฐ ์ฐจ๋Š” ์•„๋‹™๋‹ˆ๋‹ค.
03:36
their nickel metal hydride batteries
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ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ฐจ์˜ ๋‹ˆ์ผˆ ์ˆ˜์†Œ ํ•ฉ๊ธˆ ์ „์ง€๋Š”
03:38
are only used to optimize the efficiency of gas-burning engines.
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ํœ˜๋ฐœ์œ  ์—ฐ์†Œ ์—”์ง„์˜ ํšจ์œจ์„ฑ์„ ์ตœ์ ํ™”ํ•˜๋Š” ๋ฐ์—๋งŒ ์‚ฌ์šฉ๋˜์ฃ .
03:43
But in 2008, Tesla Motors went further,
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2008๋…„์—, ํ…Œ์Šฌ๋ผ ๋ชจํ„ฐ์Šค๋Š” ํ•œ๋ฐœ ๋” ๋‚˜์•„๊ฐ€
03:47
grabbing the attention of consumers, automakers, and regulators
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๊ณ ๊ฐ, ์ž๋™์ฐจ ์ƒ์‚ฐ ์—…์ฒด, ๊ทœ์ œ ๊ธฐ๊ด€์˜ ์ฃผ์˜๋ฅผ ๋Œ๋ฉด์„œ
03:51
with its lithium-ion-powered Roadster.
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๋ฆฌํŠฌ ์ด์˜จ ์ „์ง€๋ฅผ ์‚ฌ์šฉํ•œ ๋กœ๋“œ์Šคํ„ฐ๋ฅผ ๋‚ด๋†“์•˜์Šต๋‹ˆ๋‹ค.
03:54
This purely electric vehicle could travel more than 320 kilometers
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์ด ์ˆœ์ˆ˜ ์ „๊ธฐ ์ฐจ๋Š” 320km ์ด์ƒ์„ ์ฃผํ–‰ํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
03:59
on a single charge,
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๋‹จ ํ•œ ๋ฒˆ์˜ ์ถฉ์ „์œผ๋กœ์š”.
04:01
almost doubling the previous record.
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์ด์ „ ๊ธฐ๋ก์˜ ๊ฑฐ์˜ ๋‘ ๋ฐฐ์ฃ .
04:04
Since then, electric vehicles have vastly improved in cost, performance,
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์ด๋•Œ๋ถ€ํ„ฐ, ์ „๊ธฐ ์ฐจ๋Š” ๊ฐ€๊ฒฉ, ์„ฑ๋Šฅ, ํšจ์œจ, ๊ฐ€์šฉ์„ฑ ์ธก๋ฉด์—์„œ
๊ด‘๋ฒ”์œ„ํ•˜๊ฒŒ ๊ฐœ์„ ๋˜์–ด ์™”์Šต๋‹ˆ๋‹ค.
04:09
efficiency, and availability.
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04:12
They can accelerate much faster than gas-powered sports cars,
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ํœ˜๋ฐœ์œ  ์Šคํฌ์ธ ์นด๋ณด๋‹ค ํ›จ์”ฌ ๋” ๋นจ๋ฆฌ ๊ฐ€์†ํ•  ์ˆ˜ ์žˆ์ฃ .
04:15
and while some models still have a high upfront cost,
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๋˜ํ•œ ๋ช‡๋ช‡ ๋ชจ๋ธ๋“ค์€ ์•„์ง ์ดˆ๊ธฐ ๋น„์šฉ์ด ๋†’์ง€๋งŒ
04:19
they reliably save their drivers money in the long run.
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์žฅ๊ธฐ์ ์œผ๋กœ๋Š” ์ „๊ธฐ ์ฐจ๋กœ ํ™•์‹คํžˆ ๋ˆ์„ ์ ˆ์•ฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:22
As governments around the world focus on slowing climate change,
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์„ธ๊ณ„ ๊ฐ๊ตญ์˜ ์ •๋ถ€๋“ค์€ ๊ธฐํ›„ ๋ณ€ํ™”๋ฅผ ๋Šฆ์ถ”๋Š” ๋ฐ์— ์ดˆ์ ์„ ๋งž์ถ”๊ณ  ์žˆ๋Š”๋ฐ
04:26
electric vehicles are now expected to replace gas-powered ones altogether.
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์ด์ œ ์ „๊ธฐ ์ฐจ๊ฐ€ ํœ˜๋ฐœ์œ  ์ฐจ๋ฅผ ์™„์ „ํžˆ ๋Œ€์ฒดํ•  ๊ฒƒ์œผ๋กœ ๊ธฐ๋Œ€๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:31
In Norway, 75% of car sales in 2020 were plug-in electric vehicles.
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๋…ธ๋ฅด์›จ์ด์—์„œ๋Š” 2020๋…„ ์ž๋™์ฐจ ํŒ๋งค๋Ÿ‰์˜ 75%๊ฐ€
ํ”Œ๋Ÿฌ๊ทธ์ธ ๋ฐฉ์‹์˜ ์ „๊ธฐ ์ฐจ์˜€์Šต๋‹ˆ๋‹ค.
04:39
And policies such as Californiaโ€™s Zero Emission Vehicle mandate
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์บ˜๋ฆฌํฌ๋‹ˆ์•„ ์ฃผ์˜ ๋ฌด๊ณตํ•ด ์ž๋™์ฐจ ์˜๋ฌด ๋ถ€๊ณผ์™€
04:43
and Europeโ€™s aggressive CO2 emission standards
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์œ ๋Ÿฝ์˜ ์—„๊ฒฉํ•œ ์ด์‚ฐํ™”ํƒ„์†Œ ๋ฐฐ์ถœ ๊ธฐ์ค€ ์„ค์ •๊ณผ ๊ฐ™์€ ์ •์ฑ…์€
04:46
have dramatically slowed investments in gas-powered vehicles worldwide.
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์ „ ์„ธ๊ณ„์˜ ํœ˜๋ฐœ์œ  ์ฐจ ํˆฌ์ž๋ฅผ ๊ทน์ ์œผ๋กœ ์ค„์˜€์Šต๋‹ˆ๋‹ค.
04:51
Soon, electric cars will reclaim their place on the road,
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๊ณง, ์ „๊ธฐ ์ฐจ๋Š” ๋„๋กœ ์œ„์—์„œ ์ง€์œ„๋ฅผ ๋‹ค์‹œ ์ฐจ์ง€ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:55
putting gasoline in our rearview.
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ํœ˜๋ฐœ์œ ๋Š” ์—ญ์‚ฌ์˜ ๋’ค์•ˆ๊ธธ๋กœ ์‚ฌ๋ผ์งˆ ๊ฒƒ์ž…๋‹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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