Saul Griffith: High-altitude wind energy from kites!

46,529 views ใƒป 2009-03-23

TED


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

๋ฒˆ์—ญ: Yoo Deok Suh ๊ฒ€ํ† : Joonha Lee
00:22
If you're at all like me,
0
22330
1000
์—ฌ๋Ÿฌ๋ถ„๋“ค๋„ ์ €์™€ ๊ฐ™๋‹ค๋ฉด,
00:23
this is what you do with the sunny summer weekends in San Francisco:
1
23330
3000
ํ•ด๊ฐ€ ์จ์จํ•œ ์ฃผ๋ง ์ƒŒํ”„๋ž€์‹œ์Šค์ฝ”์—์„œ ์—ฌ๋Ÿฌ๋ถ„์€ ์ด๋Ÿฌํ•œ ๊ฒƒ์„ ํ•  ๊ฑฐ์—์š”
00:26
you build experimental kite-powered hydrofoils
2
26330
3000
์ด๊ฒƒ์€ ์—ฐ์˜ ํž˜์œผ๋กœ ์›€์ง์ด๋Š” ์‹คํ—˜์šฉ ์ˆ˜์ค‘์ต ๋ณดํŠธ์ž…๋‹ˆ๋‹ค.
00:29
capable of more than 30 knots.
3
29330
2000
์‹œ์† 56ํ‚ฌ๋กœ๋ฏธํ„ฐ ์ด์ƒ์œผ๋กœ ๋‹ฌ๋ฆด ์ˆ˜ ์žˆ์ฃ .
00:31
And you realize that there is incredible power in the wind,
4
31330
3000
์ด๊ฒƒ์„ ๋ณด๋ฉด ๋ฐ”๋žŒ์˜ ํž˜์ด ์—„์ฒญ๋‚˜๋‹ค๋Š” ๊ฒƒ์„ ๊นจ๋‹ฌ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
00:34
and it can do amazing things.
5
34330
2000
๊ทธ๋ฆฌ๊ณ  ๋†€๋ผ์šด ์ผ์„ ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ๋„์š”.
00:36
And one day, a vessel not unlike this
6
36330
2000
์–ธ์  ๊ฐ€๋Š” ์ด๋Ÿฐ ์ข…๋ฅ˜์˜ ๋ฐฐ๊ฐ€
00:38
will probably break the world speed record.
7
38330
2000
์„ธ๊ณ„ ์‹ ๊ธฐ๋ก์„ ๊ฐฑ์‹ ํ•  ๊ฒƒ์ด๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
00:40
But kites aren't just toys like this.
8
40330
3000
๊ทธ๋Ÿฌ๋‚˜ ์—ฐ์€ ๋‹จ์ˆœํ•œ ์žฅ๋‚œ๊ฐ์ด ์•„๋‹™๋‹ˆ๋‹ค.
00:43
Kites: I'm going to give you a brief history,
9
43330
2000
์ด์ œ ์—ฌ๋Ÿฌ๋ถ„๊ป˜ ์—ฐ์— ๋Œ€ํ•œ ๊ฐ„๋‹จํ•œ ์—ญ์‚ฌ์— ๋Œ€ํ•ด ๋ง์”€๋“œ๋ฆฌ๊ณ ,
00:45
and tell you about the magnificent future
10
45330
2000
๋ชจ๋“  ์•„์ด๋“ค์ด ๊ฐ€์žฅ ์ข‹์•„ํ•˜๋Š” ์žฅ๋‚จ๊ฐ์˜
00:47
of every child's favorite plaything.
11
47330
3000
์žฅ๋Œ€ํ•œ ๋ฏธ๋ž˜์— ๋Œ€ํ•ด ๋ง์”€๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.
00:50
So, kites are more than a thousand years old,
12
50330
2000
์—ฐ์˜ ์—ญ์‚ฌ๋Š” ์ฒœ๋…„์ด์ƒ ๊ฑฐ์Šฌ๋Ÿฌ ์˜ฌ๋ผ๊ฐ‘๋‹ˆ๋‹ค.
00:52
and the Chinese used them for military applications,
13
52330
3000
์ค‘๊ตญ์ธ๋“ค์€ ์—ฐ์„ ๊ตฐ์‚ฌ์ ์ธ ์šฉ๋„๋กœ ์‚ฌ์šฉํ•˜๊ธฐ๋„ ํ•˜์˜€์Šต๋‹ˆ๋‹ค.
00:55
and even for lifting men.
14
55330
1000
์‹ฌ์ง€์–ด ์‚ฌ๋žŒ์„ ๋“œ๋Š” ์šฉ๋„๋กœ๋„ ์‚ฌ์šฉํ•˜์˜€์Šต๋‹ˆ๋‹ค.
00:56
So they knew at that stage they could carry large weights.
15
56330
3000
๋‹น์‹œ์— ์‚ฌ๋žŒ๋“ค์€ ์—ฐ์œผ๋กœ ๋ฌด๊ฑฐ์šด ๊ฒƒ์„ ์˜ฎ๊ธธ ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:59
I'm not sure why there is a hole in this particular man.
16
59330
2000
๊ทธ๋Ÿฐ๋ฐ ์ € ์‚ฌ๋žŒ ๋ชธ์— ์™œ ๊ตฌ๋ฉ์ด ์žˆ๋Š”์ง€๋Š” ์ž˜ ๋ชจ๋ฅด๊ฒ ๊ตฐ์š”.
01:01
(Laughter)
17
61330
2000
(์›ƒ์Œ)
01:03
In 1827, a fellow called George Pocock
18
63330
3000
1827๋…„์— ์กฐ์ง€ ํฌ์ฝ•์ด๋ผ๋Š” ์‚ฌ๋žŒ์€
01:06
actually pioneered the use of kites for towing buggies
19
66330
3000
์˜๊ตญ ์‹œ๊ณจ๊ธธ์„ ๋งˆ์ฐจ๋กœ ๋‹ฌ๋ฆฌ๋Š” ๊ฒฝ์ฃผ์—์„œ
01:09
in races against horse carriages across the English countryside.
20
69330
5000
์—ฐ์œผ๋กœ ๋„๋Š” ๋งˆ์ฐจ๋ฅผ ์ฒ˜์Œ ์‚ฌ์šฉํ•˜์˜€์Šต๋‹ˆ๋‹ค.
01:14
Then of course, at the dawn of aviation,
21
74330
2000
๋ฌผ๋ก  ์ฐฝ๊ณต์˜ ์‹œ๋Œ€์—๋„,
01:16
all of the great inventors of the time --
22
76330
2000
ํ•˜๊ทธ๋ฆฌ๋ธŒ์Šค, ๋žญ๊ธ€๋ฆฌ,
01:18
like Hargreaves, like Langley,
23
78330
2000
์ „ํ™”๋ฅผ ๋ฐœ๋ช…ํ•œ ์•Œ๋ ‰์‚ฐ๋” ๊ทธ๋ ˆ์ด์—„ ๋ฒจ ๊นŒ์ง€๋„
01:20
even Alexander Graham Bell, inventor of the telephone, who was flying this kite --
24
80330
3000
ํ•˜๋Š˜์„ ๋‚ ๊ธฐ ์œ„ํ•ด
01:23
were doing so in the pursuit of aviation.
25
83330
3000
์—ฐ์„ ๋‚ ๋ ธ์Šต๋‹ˆ๋‹ค.
01:26
Then these two fellows came along,
26
86330
2000
๊ทธ๋Ÿฌ๋˜ ์–ด๋Š๋‚  ์ด ๋‘ ์‚ฌ๋žŒ์ด ๋‚˜ํƒ€๋‚ฌ์ง€์š”
01:28
and they were flying kites to develop the control systems
27
88330
3000
๊ทธ๋ฆฌ๊ณ  ๊ทธ๋“ค์€ ๊ถ๊ทน์ ์œผ๋กœ ์ธ๊ฐ„์ด ํ•˜๋Š˜์„ ๋‚ ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š”
01:31
that would ultimately enable powered human flight.
28
91330
3000
์ œ์–ด ์‹œ์Šคํ…œ์„ ๊ฐœ๋ฐœํ•˜๊ธฐ ์œ„ํ•ด ์—ฐ์„ ๋‚ ๋ ธ์Šต๋‹ˆ๋‹ค.
01:34
So this is of course Orville and Wilbur Wright,
29
94330
3000
์—ฌ๋Ÿฌ๋ถ„๋„ ์•„์‹œ๋‹ค์‹œํ”ผ ์ด๋“ค์€ ์˜ค๋นŒ๊ณผ ์œŒ๋ฒ„ ๋ผ์ดํŠธ,
01:37
and the Wright Flyer.
30
97330
2000
๊ทธ๋ฆฌ๊ณ  ๋ผ์ดํŠธ ํ”Œ๋ผ์ด์–ด(์ตœ์ดˆ์˜ ๋น„ํ–‰๊ธฐ) ์ž…๋‹ˆ๋‹ค.
01:39
And their experiments with kites led to this
31
99330
2000
์—ฐ์„ ์ด์šฉํ•œ ์‹คํ—˜์„ ํ†ตํ•ด
01:41
momentous occasion, where we powered up and took off for the
32
101330
3000
์šฐ๋ฆฌ๊ฐ€ ํž˜์„ ์–ป๊ณ  ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์—ˆ๋˜
01:44
first-ever 12-second human flight.
33
104330
4000
์ธ๋ฅ˜ ์ตœ์ดˆ์˜ 12์ดˆ๊ฐ„์˜ ๋น„ํ–‰์— ์„ฑ๊ณตํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
01:48
And that was fantastic for the future of commercial aviation.
34
108330
4000
์ด๋Š” ๋ฏธ๋ž˜์˜ ํ•ญ๊ณต ์‚ฐ์—…์— ํ™˜ํ•œ ๋ถˆ์„ ๋ฐํ˜€์ฃผ์—ˆ์Šต๋‹ˆ๋‹ค.
01:52
But unfortunately, it relegated kites once again to be considered children's toys.
35
112330
4000
๊ทธ๋Ÿฌ๋‚˜ ๋ถˆํ–‰ํ•˜๊ฒŒ๋„, ์ด๋กœ ์ธํ•ด ์—ฐ์€ ๋‹ค์‹œ๊ธˆ ์•„์ด๋“ค์˜ ์žฅ๋‚œ๊ฐ์œผ๋กœ ์—ฌ๊ฒจ์ง€๊ฒŒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
01:56
That was until the 1970s, where we had the last energy crisis.
36
116330
4000
70๋…„๋Œ€ ์—๋„ˆ์ง€ ์œ„๊ธฐ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ๊นŒ์ง€ ๋ง์ด์ฃ .
02:00
And a fabulous man called Miles Loyd
37
120330
2000
์ƒŒํ”„๋ž€์‹œ์Šค์ฝ” ์™ธ๊ณฝ์— ์‚ด๊ณ  ์žˆ๋˜
02:02
who lives on the outskirts of San Francisco,
38
122330
2000
๋งˆ์ผ์ฆˆ ๋กœ์ด๋“œ๋ผ๋Š” ํ›Œ๋ฅญํ•œ ์‚ฌ๋žŒ์ด
02:04
wrote this seminal paper that was completely ignored
39
124330
3000
์—๋„ˆ์ง€ ํ•™ํšŒ์— ๋…ผ๋ฌธ์„ ์ œ์ถœํ–ˆ์œผ๋‚˜,
02:07
in the Journal of Energy
40
127330
1000
์™„์ „ํžˆ ๋ฌด์‹œ๋‹นํ–ˆ์Šต๋‹ˆ๋‹ค.
02:08
about how to use basically an airplane on a piece of string
41
128330
4000
๋…ผ๋ฌธ์˜ ๋‚ด์šฉ์€ ๋น„ํ–‰๊ธฐ์— ๋ˆ์„ ๋‹ฌ์•„์„œ ์–ด๋–ป๊ฒŒ
02:12
to generate enormous amounts of electricity.
42
132330
3000
์—„์ฒญ๋‚œ ์–‘์˜ ์ „๊ธฐ๋ฅผ ์ƒ์‚ฐํ•˜๋Š” ๊ฐ€์— ๊ด€ํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:15
The real key observation he made is that
43
135330
2000
๊ทธ์ค‘ ๊ฐ€์žฅ ์ค‘์š”ํ•œ ๋ฐœ๊ฒฌ์€
02:17
a free-flying wing can sweep through more sky and generate more power
44
137330
4000
์ž์œ  ๋น„ํ–‰ํ•˜๋Š” ๋‚ ๊ฐœ๊ฐ€ ๊ณ ์ •๋‚ ๊ฐœ๋ฅผ ๊ฐ€์ง„ ํ„ฐ๋นˆ์— ๋น„ํ•ด ๋” ๋งŽ์€ ๊ณต๊ธฐ๋ฅผ ํ†ต๊ณผํ•˜๊ณ 
02:21
in a unit of time than a fixed-wing turbine.
45
141330
4000
๋‹จ์œ„์‹œ๊ฐ„๋‹น ๋” ๋งŽ์€ ์ „๊ธฐ๋ฅผ ์ƒ์‚ฐํ•œ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:25
So turbines grew. And they can now span up to three hundred feet at the hub height,
46
145330
4000
๋”ฐ๋ผ์„œ ํ„ฐ๋นˆ์˜ ํฌ๊ธฐ๋Š” ์ฆ๊ฐ€ํ•ฉ๋‹ˆ๋‹ค. ์ถ•๊นŒ์ง€ 90๋ฏธํ„ฐ์— ๋‹ฌํ•˜๋Š”
02:29
but they can't really go a lot higher,
47
149330
2000
ํ„ฐ๋นˆ๋„ ์žˆ์ง€๋งŒ ๋†’์ด๋ฅผ ์˜ฌ๋ฆฌ๋Š” ๋ฐ๋Š” ํ•œ๊ณ„๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
02:31
and more height is where the more wind is, and more power --
48
151330
3000
๊ณ ๋„๊ฐ€ ๋†’์„์ˆ˜๋ก ๋ฐ”๋žŒ์ด ๋งŽ์ด ๋ถˆ๊ณ ,
02:34
as much as twice as much.
49
154330
2000
๊ทธ์— ๋”ฐ๋ผ ํž˜๋„ 2๋ฐฐ ์ •๋„ ์ฆ๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
02:36
So cut to now. We still have an energy crisis,
50
156330
3000
๊ฐ์„คํ•˜๊ณ , ์šฐ๋ฆฌ๋Š” ์—ฌ์ „ํžˆ ์—๋„ˆ์ง€ ์œ„๊ธฐ์— ์ฒ˜ํ•ด ์žˆ์Šต๋‹ˆ๋‹ค.
02:39
and now we have a climate crisis as well. You know,
51
159330
3000
๊ทธ๋ฆฌ๊ณ  ์•„์‹œ๋‹ค์‹œํ”ผ ๊ธฐํ›„๋ณ€ํ™” ์œ„๊ธฐ๋„ ์ง๋ฉดํ•˜๊ณ  ์žˆ์ง€์š”.
02:42
so humans generate about 12 trillion watts,
52
162330
3000
์ธ๊ฐ„์€ ํ˜„์žฌ ํ™”์„์—ฐ๋ฃŒ๋ฅผ ์ด์šฉํ•˜์—ฌ
02:45
or 12 terawatts, from fossil fuels.
53
165330
2000
12์กฐ์™€ํŠธ(12 ํ…Œ๋ผ์™€ํŠธ)๋ฅผ ์ƒ์‚ฐํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
02:47
And Al Gore has spoken to why we need to hit one of these targets,
54
167330
4000
์•จ ๊ณ ์–ด๋Š” ์ด์ค‘ ํ•˜๋‚˜๋ฅผ ๋ชฉํ‘œ๋กœ ๋‹ฌ์„ฑํ•ด์•ผํ•˜๋Š” ์ด์œ ๋ฅผ ๋งํ–ˆ์Šต๋‹ˆ๋‹ค.
02:51
and in reality what that means is in the next 30 to 40 years,
55
171330
4000
ํ˜„์‹ค์ ์œผ๋กœ ๋ชฉํ‘œ๋ฅผ ๋‹ฌ์„ฑํ•œ๋‹ค๋Š” ๊ฒƒ์€ ํ–ฅํ›„ 30~40๋…„ ๋‚ด์—
02:55
we have to make 10 trillion watts or more of new clean energy somehow.
56
175330
6000
10์กฐ ์™€ํŠธ๋‚˜ ๊ทธ ์ด์ƒ์„ ์ฒญ์ •์—๋„ˆ์ง€๋กœ ์ƒ์‚ฐํ•ด์•ผํ•œ๋‹ค๋Š” ๊ฒƒ์„ ๋œปํ•ฉ๋‹ˆ๋‹ค.
03:01
Wind is the second-largest renewable resource after solar:
57
181330
4000
๋ฐ”๋žŒ์€ ํƒœ์–‘์—๋„ˆ์ง€ ๋‹ค์Œ์œผ๋กœ ํฐ ์žฌ์ƒ ๊ฐ€๋Šฅํ•œ ์—๋„ˆ์ง€ ์†Œ์Šค์ž…๋‹ˆ๋‹ค.
03:05
3600 terawatts, more than enough to supply humanity 200 times over.
58
185330
4000
3600ํ…Œ๋ผ์™€ํŠธ ์ •๋„๋กœ ์ธ๋ฅ˜๊ฐ€ ํ•„์š”ํ•œ ์–‘์˜ 200๋ฐฐ๊ฐ€ ๋„˜์ฃ .
03:09
The majority of it is in the higher altitudes, above 300 feet,
59
189330
4000
๋ฐ”๋žŒ ์ค‘ ๋Œ€๋ถ€๋ถ„์€ 90๋ฏธํ„ฐ๊ฐ€ ๋„˜๋Š” ๋†’์€ ๊ณณ์— ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.
03:13
where we don't have a technology as yet to get there.
60
193330
4000
ํ•˜์ง€๋งŒ ์•„์ง ๊ทธ๊ณณ์˜ ๋ฐ”๋žŒ์„ ๊ฐœ๋ฐœํ•  ๊ธฐ์ˆ ์€ ์กด์žฌํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
03:17
So this is the dawn of the new age of kites.
61
197330
2000
๋”ฐ๋ผ์„œ ์ง€๊ธˆ์€ '์—ฐ' ์‹œ๋Œ€์˜ ์ƒˆ๋กœ์šด ์‹œ์ž‘์ž…๋‹ˆ๋‹ค.
03:19
This is our test site on Maui, flying across the sky.
62
199330
4000
์ด๊ณณ์€ ๋งˆ์šฐ์ด ์„ฌ์— ์žˆ๋Š” ์ €ํฌ ํšŒ์‚ฌ ํ…Œ์ŠคํŠธ ์žฅ์†Œ์ž…๋‹ˆ๋‹ค.
03:23
I'm now going to show you
63
203330
2000
์—ฌ๋Ÿฌ๋ถ„๋“ค์ด ๋ณด์‹œ๋Š” ๊ฒƒ์€
03:25
the first autonomous generation of power
64
205330
3000
๋ชจ๋“  ์•„์ด๋“ค์ด ๊ฐ€์žฅ ์ข‹์•„ํ•˜๋Š” ์žฅ๋‚œ๊ฐ์œผ๋กœ ๋งŒ๋“ค์–ด์ง„
03:28
by every child's favorite plaything.
65
208330
3000
์ตœ์ดˆ์˜ ๋…๋ฆฝ๋œ ํ˜•ํƒœ์˜ ๋ฐœ์ „๊ธฐ์ž…๋‹ˆ๋‹ค.
03:31
As you can tell, you need to be a robot to fly this thing for thousands of hours.
66
211330
4000
๋ณด์‹œ๋‹ค์‹œํ”ผ ์ˆ˜์ฒœ์‹œ๊ฐ„์„ ๋น„ํ–‰ํ•˜๊ธฐ ์œ„ํ•ด์„  ๋กœ๋ด‡์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.
03:35
It makes you a little nauseous.
67
215330
2000
๋ณด์‹œ๋Š”๋ฐ ์•ฝ๊ฐ„ ์–ด์ง€๋Ÿฌ์šธ ์ˆ˜๋„ ์žˆ๊ฒ ๊ตฐ์š”.
03:37
And here we're actually generating about 10 kilowatts --
68
217330
2000
ํ˜„์žฌ ์ด ํ…Œ์ŠคํŠธ ์žฅ๋น„๋กœ ์•ฝ 10 ํ‚ฌ๋กœ์™€์ธ ๋ฅผ ์ƒ์‚ฐํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
03:39
so, enough to power probably five United States households --
69
219330
3000
์ด๋Š” ๋ฏธ๊ตญ์— ์žˆ๋Š” 5๊ฐ€๊ตฌ์— ๊ณต๊ธ‰ํ•  ์ˆ˜ ์žˆ๋Š” ์–‘์ž…๋‹ˆ๋‹ค.
03:42
with a kite not much larger than this piano.
70
222330
3000
ํ”ผ์•„๋…ธ ์ •๋„ ํฌ๊ธฐ๋งŒ ํ•œ ์—ฐ์œผ๋กœ ๋ง์ด์ฃ .
03:45
And the real significant thing here
71
225330
2000
์—ฌ๊ธฐ์„œ ์ค‘์š”ํ•œ ๊ฒƒ์€
03:47
is we're developing the control systems,
72
227330
2000
์ €ํฌ ํšŒ์‚ฌ๊ฐ€ ๋ผ์ดํŠธ ํ˜•์ œ๋“ค์ด ํ•œ ๊ฒƒ์ฒ˜๋Ÿผ, ์ง€์†์ ์ด๊ณ ,
03:49
as did the Wright brothers, that would enable sustained, long-duration flight.
73
229330
5000
์žฅ์‹œ๊ฐ„ ๋น„ํ–‰์„ ์œ„ํ•œ ์ œ์–ด์‹œ์Šคํ…œ์„ ๊ฐœ๋ฐœํ•˜๊ณ  ์žˆ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:54
And it doesn't hurt to do it in a location like this either.
74
234330
5000
๊ทธ๋ฆฌ๊ณ  ํ™˜๊ฒฝ์— ์•„๋ฌด๋Ÿฐ ํ”ผํ•ด๋ฅผ ์ฃผ์ง€ ์•Š๋Š”๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:59
So this is the equivalent for a kite flier of peeing in the snow --
75
239330
3000
์—ฐ์ด ํ•˜๋Š˜์„ ๋‚˜๋Š” ๊ฒƒ์€ ๋ˆˆ ์œ„์— ์†Œ๋ณ€์„ ๋ณด๋Š” ๊ฒƒ๊ณผ ๋น„์Šทํ•ฉ๋‹ˆ๋‹ค.
04:02
that's tracing your name in the sky.
76
242330
2000
ํ•˜๋Š˜์—์„œ ๋‹น์‹ ์˜ ์ด๋ฆ„์„ ์ซ“์•„๊ฐ€๋Š” ์…ˆ์ด์ฃ .
04:04
And this is where we're actually going.
77
244330
2000
์ด์ œ ์ด๋Ÿฌํ•œ ๋ฐฉํ–ฅ์œผ๋กœ ๊ฐ€๋ ค๊ณ  ํ•ฉ๋‹ˆ๋‹ค.
04:06
So we're beyond the 12-second steps.
78
246330
2000
์šฐ๋ฆฌ๋Š” ๋ผ์ดํŠธ ํ˜•์ œ์˜ 12์ดˆ ๋น„ํ–‰๋‹จ๊ณ„๋Š” ๋„˜์–ด์„ฐ์Šต๋‹ˆ๋‹ค.
04:08
And we're working towards megawatt-scale machines
79
248330
2000
๊ทธ๋ฆฌ๊ณ  ํ˜„์žฌ๋Š” ๋ฉ”๊ฐ€์™€ํŠธ ๊ธ‰์˜ ์žฅ์น˜๋ฅผ ๋งŒ๋“œ๋Š” ์ค‘์ž…๋‹ˆ๋‹ค.
04:10
that fly at 2000 feet and generate tons of clean electricity.
80
250330
4000
๊ทธ๊ฒƒ์€ 600์—ฌ ๋ฏธํ„ฐ ๋†’์ด์—์„œ ๋‚ ๊ณ  ์—„์ฒญ๋‚œ ์–‘์˜ ๊นจ๋—ํ•œ ์ „๊ธฐ๋ฅผ ์ƒ์‚ฐํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
04:14
So you ask, how big are those machines?
81
254330
2000
๊ทธ๋Ÿผ ๊ทธ ์žฅ์น˜๊ฐ€ ์–ผ๋งˆ๋‚˜ ํฐ์ง€ ๊ถ๊ธˆํ•˜์‹œ์ฃ ?
04:16
Well, this paper plane would be maybe a -- oop!
82
256330
3000
์ด ์ข…์ด๋น„ํ–‰๊ธฐ๋Š” ์•„๋งˆ๋„...
04:19
That would be enough to power your cell phone.
83
259330
3000
ํ•ธ๋“œํฐ์„ ์“ฐ๋Š”๋ฐ ์ถฉ๋ถ„ํ•œ ์ „๊ธฐ๋ฅผ ๋งŒ๋“ค ๊ฒ๋‹ˆ๋‹ค.
04:22
Your Cessna would be 230 killowatts.
84
262330
3000
์„ธ์Šค๋‚˜ ๋น„ํ–‰๊ธฐ๋กœ๋Š” 230 ํ‚ฌ๋กœ์™€์ธ ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ๊ณ ์š”,
04:25
If you'd loan me your Gulfstream, I'll rip its wings off and generate you a megawatt.
85
265330
4000
๊ฑธํ”„์ŠคํŠธ๋ฆผ์„ ๋นŒ๋ ค์ฃผ์‹œ๋ฉด, ๋‚ ๊ฐœ๋งŒ ๋œฏ์–ด 1๋ฉ”๊ฐ€์™€ํŠธ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:29
If you give me a 747, I'll make six megawatts,
86
269330
3000
747์ด ์žˆ๋‹ค๋ฉด 6๋ฉ”๊ฐ€์™€ํŠธ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
04:32
which is more than the largest wind turbines today.
87
272330
3000
์ด๋Š” ๊ฐ€์žฅ ํฐ ํ’๋ ฅ๋ฐœ์ „์†Œ๋ณด๋‹ค ๋” ํฐ ์ˆซ์ž์ž…๋‹ˆ๋‹ค.
04:35
And the Spruce Goose would be a 15-megawatt wing.
88
275330
3000
๊ทธ๋ฆฌ๊ณ  ์Šคํ”„๋ฃจ์Šค ๊ตฌ์Šค๋Š” 15๋ฉ”๊ฐ€์™€ํŠธ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ๋Š” ๋‚ ๊ฐœ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
04:38
So that is audacious, you say. I agree.
89
278330
3000
์ด๋Ÿฌํ•œ ์•„์ด๋””์–ด๊ฐ€ ๋ฌด๋ชจํ•˜๋‹ค๊ณ  ์ƒ๊ฐํ•˜์‹ค ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
04:41
But audacious is what has happened many times before in history.
90
281330
3000
ํ•˜์ง€๋งŒ ์—ญ์‚ฌ์ ์œผ๋กœ ๋ณด๋ฉด ์ด๋Ÿฐ ๋ฌด๋ชจํ•จ์€ ์ „์—๋„ ๋งŽ์ด ์ผ์–ด๋‚ฌ์Šต๋‹ˆ๋‹ค.
04:44
This is a refrigerator factory,
91
284330
2000
์ด๊ณณ์€ ๋ƒ‰์žฅ๊ณ ๋ฅผ ๋งŒ๋“œ๋Š” ๊ณต์žฅ์ž…๋‹ˆ๋‹ค.
04:46
churning out airplanes for World War II.
92
286330
3000
2์ฐจ ์„ธ๊ณ„๋Œ€์ „๋•Œ ๋น„ํ–‰๊ธฐ๋ฅผ ๋Œ€๋Ÿ‰ ์ƒ์‚ฐํ–ˆ์Šต๋‹ˆ๋‹ค.
04:49
Prior to World War II, they were making 1000 planes a year.
93
289330
3000
2์ฐจ ์„ธ๊ณ„๋Œ€์ „ ์ „์—๋Š” 1๋…„์— 1000๋Œ€์˜ ๋น„ํ–‰๊ธฐ๋ฅผ ์ƒ์‚ฐํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
04:52
By 1945, they were making 100,000.
94
292330
3000
1945๋…„ ์ฆˆ์Œ์—” ๋…„ 100,000๋Œ€๋ฅผ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค.
04:55
With this factory and 100,000 planes a year,
95
295330
2000
์ด ๊ณต์žฅ๊ณผ ๋…„ 100,000๋Œ€์˜ ๋น„ํ–‰๊ธฐ๊ฐ€ ์žˆ์œผ๋ฉด,
04:57
we could make all of America's electricity in about 10 years.
96
297330
4000
๋ฏธ๊ตญ์ด ํ•„์š”ํ•œ ๋ชจ๋“  ์ „๊ธฐ๋ฅผ ์•ฝ 10๋…„ ๋‚ด์— ๋งŒ๋“ค ์ˆ˜ ์žˆ์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
05:01
So really this is a story about the audacious plans of young people
97
301330
3000
์ •๋ง๋กœ ์ด๊ฒƒ์€ ๊ฟˆ์„ ๊ฐ€์ง„ ์ Š์€์ด๋“ค์˜ ๋ฌด๋ชจํ•œ ๊ณ„ํš์ž…๋‹ˆ๋‹ค.
05:04
with these dreams. There are many of us.
98
304330
2000
์šฐ๋ฆฌ ํšŒ์‚ฌ์—๋Š” ์ด๋Ÿฐ ์นœ๊ตฌ๋“ค์ด ๋งŽ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
05:06
I am lucky enough to work with 30 of them.
99
306330
2000
์ €๋Š” ์šด์ด ์ข‹๊ฒŒ๋„ 30๋ช…์˜ ๊ฟˆ์„ ๊ฐ€์ง„ ์ Š์€์ด๋“ค๊ณผ ์ผํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
05:08
And I think we need to support all of the dreams
100
308330
2000
๊ทธ๋ฆฌ๊ณ  ๋ฐ–์—์„œ ์ด๋Ÿฌํ•œ ํฌํ•œํ•œ ์ผ๋“ค์„ ํ•˜๊ณ  ์žˆ๋Š”
05:10
of the kids out there doing these crazy things.
101
310330
3000
์•„์ด๋“ค์˜ ๊ฟˆ์„ ์šฐ๋ฆฌ๊ฐ€ ์ง€์›ํ•ด์ค˜์•ผ ํ•˜์ง€ ์•Š์„๊นŒ ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
05:13
Thank you.
102
313330
1000
๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค
05:14
(Applause)
103
314330
5000
(๋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.

https://forms.gle/WvT1wiN1qDtmnspy7