William Kamkwamba: How I built a windmill

1,272,716 views ใƒป 2007-08-01

TED


ืื ื ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ืœืžื˜ื” ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ.

ืžืชืจื’ื: Victor Gens ืžื‘ืงืจ: Sigal Tifferet
00:29
Chris Anderson: William, hi. Good to see you.
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ื›ืจื™ืก ืื ื“ืจืกื•ืŸ: ื•ื•ื™ืœื™ืื, ืฉืœื•ื. ื˜ื•ื‘ ืœืจืื•ืช ืื•ืชืš.
00:31
William Kamkwamba: Thanks.
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ื•ื•ื™ืœื™ืื ืงืžืงื•ื•ืžื‘ื”: ืชื•ื“ื”.
00:32
CA: So, we've got a picture, I think? Where is this?
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ื›.ื.: ืื–, ื™ืฉ ืœื ื• ืชืžื•ื ื”, ืื ื™ ื—ื•ืฉื‘? ื”ื™ื›ืŸ ื–ื”?
00:37
WK: This is my home. This is where I live.
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ื•.ืง.:ื–ื” ื”ื‘ื™ืช ืฉืœื™. ื–ื” ืื™ืคื” ืฉืื ื™ ื’ืจ.
00:41
CA: Where? What country?
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ื›.ื.: ืื™ืคื”? ืื™ื–ื” ืžื“ื™ื ื”?
00:43
WK: In Malawi, Kasungu. In Kasungu. Yeah, Mala.
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ื•.ืง.: ื‘ืžืœื•ื•ื™, ืงืืกื•ื ื’ื•. ื‘ืงืกื•ื ื’ื•. ื›ืŸ. ืžืœื•ื•ื™.
00:46
CA: OK. Now, you're 19 now?
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ื›.ื.: ื˜ื•ื‘, ืื ื›ืŸ ืืชื” ื‘ืŸ 19 ื”ื™ื•ื?
00:49
WK: Yeah. I'm 19 years now.
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ื•.ืง.: ื›ืŸ. ืื ื™ ื‘ืŸ 19 ื”ื™ื•ื.
00:51
CA: Five years ago you had an idea. What was that?
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ื›.ื.: ืœืคื ื™ ื—ืžืฉ ืฉื ื™ื ื”ื™ื” ืœืš ืจืขื™ื•ืŸ. ืžื” ื–ื” ื”ื™ื”?
00:54
WK: I wanted to make a windmill.
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ื•.ืง.: ืจืฆื™ืชื™ ืœื‘ื ื•ืช ื˜ื—ื ืช ืจื•ื—.
00:56
CA: A windmill?
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ื›.ื.: ื˜ื—ื ืช ืจื•ื—?
00:57
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
00:58
CA: What, to power -- for lighting and stuff?
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ื›.ื.: ืื–.. ืžื”.. ืœื—ืฉืžืœ - ืขื‘ื•ืจ ืชืื•ืจื” ื•ื›ื“ื•ืžื”?
01:02
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
01:04
CA: So what did you do? How did you realize that?
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ื›.ื.: ืื– ืžื” ืขืฉื™ืช? ืื™ืš ื”ื’ืขืช ืœื–ื”?
01:07
WK: After I dropped out of school, I went to library,
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ื•.ืง.: ืื—ืจื™ ืฉื ืฉืจืชื™ ืžื‘ื™ืช ื”ืกืคืจ, ื”ืœื›ืชื™ ืœืกืคืจื™ื”.
01:11
and I read a book that would -- "Using Energy,"
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ื•ืงืจืืชื™ ืกืคืจ ืฉื›ื•ืชืจืชื• ื”ื™ื™ืชื” "ืœื”ืฉืชืžืฉ ื‘ืื ืจื’ื™ื”"
01:15
and I get information about doing the mill.
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ื•ื”ืฉื’ืชื™ ืžื™ื“ืข ืœื’ื‘ื™ ื‘ื ื™ื™ืช ื”ื˜ื—ื ื”.
01:18
And I tried, and I made it.
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ื ื™ืกื™ืชื™ ื•ืขืฉื™ืชื™ ืืช ื–ื”.
01:20
(Applause)
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(ื›ืคื™ื™ื)
01:30
CA: So you copied -- you exactly copied the design in the book.
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ื›.ื: ืื– ื”ืขืชืงืช -- ื”ืขืชืงืช ืืช ื”ืชืจืฉื™ื ืžื”ืกืคืจ ื‘ื“ื™ื•ืง.
01:34
WK: Ah, no. I just --
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ื•.ืง: ืื”, ืœื. ืื ื™ ืคืฉื•ื˜ --
01:36
CA: What happened?
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ื›.ื: ืžื” ืงืจื”?
01:38
WK: In fact, a design of the windmill that was in the book,
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ื•.ืง: ืœืžืขืฉื”, ืชืจืฉื™ื ื”ื˜ื—ื ื” ืฉื”ื™ื” ื‘ืกืคืจ,
01:42
it has got four -- ah -- three blades,
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ื”ื›ื™ืœ 4 -- ืื”ื” -- 3 ืœื”ื‘ื™ื,
01:46
and mine has got four blades.
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ื•ืืฆืœื™ ื™ืฉ 4 ืœื”ื‘ื™ื.
01:49
CA: The book had three, yours had four.
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ื›.ื: ื‘ืกืคืจ ื”ื™ื” 3, ืืฆืœืš ื”ื™ื” 4.
01:51
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
01:52
CA: And you made it out of what?
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ื›.ื: ื•ืžืžื” ื”ืจื›ื‘ืช ืืช ื–ื”?
01:54
WK: I made four blades, just because I want to increase power.
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ื•.ืง.: ืขืฉื™ืชื™ ืืจื‘ืขื” ืœื”ื‘ื™ื, ืจืง ื›ื™ ืจืฆื™ืชื™ ืœื”ื•ืกื™ืฃ ื›ื•ื—.
01:59
CA: OK.
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ื›.ื.: ื˜ื•ื‘.
02:00
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
02:01
CA: You tested three, and found that four worked better?
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ื›.ื: ื‘ื—ื ืช ืฉืœื•ืฉื” ื•ืžืฆืืช ืฉืืจื‘ืขื” ืขื•ื‘ื“ื™ื ื™ื•ืชืจ ื˜ื•ื‘?
02:03
WK: Yeah. I test.
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ื•.ืง.: ื›ืŸ. ื‘ื—ื ืชื™.
02:05
CA: And what did you make the windmill out of?
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ื›.ื.: ื•ืžืžื” ื‘ื ื™ืช ืืช ื˜ื—ื ืช ื”ืจื•ื—?
02:08
What materials did you use?
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ื‘ืื™ื–ื” ื—ื•ืžืจื™ื ื”ืฉืชืžืฉืช?
02:10
WK: I use a bicycle frame, and a pulley, and plastic pipe, what then pulls --
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ื•.ืง.: ื”ืฉืชืžืฉืชื™ ื‘ืžืกื’ืจืช ืฉืœ ืื•ืคื ื™ื™ื, ื’ืœื’ืœืช ื•ืฆื™ื ื•ืจ ืคืœืกื˜ื™ืง, ืžื” ืฉืžื•ืฉืš ืื—ืจ ื›ืš --
02:16
CA: Do we have a picture of that? Can we have the next slide?
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ื›.ื: ื™ืฉ ืœื ื• ืชืžื•ื ื” ืฉืœ ื–ื”? ืืคืฉืจ ืœืงื‘ืœ ืืช ื”ืฉืงื•ืคื™ืช ื”ื‘ืื”?
02:19
WK: Yeah. The windmill.
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ื•.ืง: ื›ืŸ. ืชื—ื ืช ื”ืจื•ื—.
02:21
CA: And so, and that windmill, what -- it worked?
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ื›.ื: ืื–, ื˜ื—ื ืช ื”ืจื•ื— ื”ื–ื• -- ื”ื™ื ืขื‘ื“ื”?
02:25
WK: When the wind blows, it rotates and generates.
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ื•.ืง: ื›ืฉื”ืจื•ื— ื ื•ืฉื‘ืช, ื–ื” ืžืกืชื•ื‘ื‘ ื•ืžื—ื•ืœืœ.
02:30
CA: How much electricity?
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ื›.ื.: ื›ืžื” ื—ืฉืžืœ?
02:31
WK: 12 watts.
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ื•.ืง.: 12 ื•ื•ืื˜.
02:33
CA: And so, that lit a light for the house? How many lights?
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ื›.ื: ืื–, ื–ื” ื”ื“ืœื™ืง ื ื•ืจื” ืขื‘ื•ืจ ื”ื‘ื™ืช? ื›ืžื” ื ื•ืจื•ืช?
02:38
WK: Four bulbs and two radios.
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ื•.ืง: ืืจื‘ืข ื ื•ืจื•ืช ืœื”ื˜ ื•ืฉื ื™ ืžื›ืฉื™ืจื™ ืจื“ื™ื•.
02:40
CA: Wow.
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ื›.ื: ื•ื•ืื•.
02:41
WK: Yeah.
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ื•.ืง: ื›ืŸ.
02:42
(Applause) CA: Next slide --
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ื›.ื: ืื ื›ืŸ -- (ื›ืคื™ื™ื) -- ืฉืงื•ืคื™ืช ื”ื‘ืื” --
02:52
so who's that?
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ืื– ืžื™ ืืœื”?
02:54
WK: This is my parents, holding the radio.
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ื•.ืง: ืืœื• ื”ื”ื•ืจื™ื ืฉืœื™, ืงื•ื ื™ื ืืช ื”ืจื“ื™ื•.
02:57
CA: So what did they make of -- that you were 14, 15 at the time --
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ื›.ื.: ืื– ืื™ืš ื”ื ืžื’ื™ื‘ื™ื ืœื–ื” -- ืฉื”ื™ื™ืช ืื– ื‘ืŸ 14, 15 --
03:01
what did they make of this? They were impressed?
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ืื™ืš ื”ื ื”ื’ื™ื‘ื•? ื”ื ื”ืชืจืฉืžื•?
03:04
WK: Yeah.
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ื•.ืง: ื›ืŸ.
03:05
CA: And so what's your -- what are you going to do with this?
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ื›.ื: ืื– ืžื” ืืชื” -- ืžื” ืืชื” ื”ื•ืœืš ืœืขืฉื•ืช ืขื ื–ื”?
03:07
WK: Um --
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ื•.ืง.: ื”ืžืž...
03:09
CA: What do you -- I mean -- do you want to build another one?
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ื›.ื: ืžื” ืืชื” -- ืื ื™ ืžืชื›ื•ื•ืŸ -- ืืชื” ืจื•ืฆื” ืœื‘ื ื•ืช ืขื•ื“ ืื—ื“?
03:13
WK: Yeah, I want to build another one --
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ื•.ืง.: ื›ืŸ, ืื ื™ ืจื•ืฆื” ืœื‘ื ื•ืช ืขื•ื“ ืื—ื“ --
03:16
to pump water and irrigation for crops.
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ื‘ื›ื“ื™ ืœืฉืื•ื‘ ืžื™ื ื•ืœื”ืฉืงื•ืช -- ื”ืฉืงื™ื™ื” ืœื’ื™ื“ื•ืœื™ื.
03:21
CA: So this one would have to be bigger?
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ื›.ื: ืื– ื–ื” ืฆืจื™ืš ืœื”ื™ื•ืช ื™ื•ืชืจ ื’ื“ื•ืœ?
03:23
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
03:24
CA: How big?
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ื›.ื: ื›ืžื” ื’ื“ื•ืœ?
03:25
WK: I think it will produce more than 20 the watts.
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ื•.ืง: ืื ื™ ื—ื•ืฉื‘ ืฉื–ื” ื™ืกืคืง ื™ื•ืชืจ ืž20 ื•ื•ืื˜.
03:31
CA: So that would produce irrigation for the entire village?
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ื›.ื: ืื– ื–ื” ื™ืกืคืง ื”ืฉืงื™ื™ื” ืœื›ืœ ื”ื›ืคืจ?
03:35
WK: Yeah.
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ื•.ืง.: ื›ืŸ.
03:37
CA: Wow. And so you're talking to people here at TED
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ื›.ื: ื•ื•ืื•. ืื– ืืชื” ืžื“ื‘ืจ ืขื ืื ืฉื™ื ืคื” ื‘TED
03:40
to get people who might be able to help in some way
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ื‘ื›ื“ื™ ืœื’ืจื•ื ืœืื ืฉื™ื ืฉื™ื›ื•ืœื™ื ืœืขื–ื•ืจ ื‘ืฆื•ืจื” ืžืกื•ื™ื™ืžืช ืœ--
03:44
to realize this dream?
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ืœืžืžืฉ ืืช ื”ื—ืœื•ื ื”ื–ื”?
03:46
WK: Yeah, if they can help me with materials, yeah.
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ื•.ืง: ื›ืŸ, ืื ื”ื ื™ื›ื•ืœื™ื ืœืขื–ื•ืจ ืœื™ -- ืขื ื—ื•ืžืจื™ื, ื›ืŸ.
03:50
CA: And as you think of your life going forward,
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ื›.ื: ืื– ื›ืฉืืชื” ื—ื•ืฉื‘ ืขืœ ื—ื™ื™ืš ืžืชืงื“ืžื™ื,
03:53
you're 19 now,
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ืืชื” ื‘ืŸ 19 ืขื›ืฉื™ื•, ื”ืื ืืชื” --
03:56
do you picture continuing with this dream of working in energy?
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ื”ืื ืืชื” ื—ื•ืฉื‘ ืœื”ืžืฉื™ืš ืขื ื”ื—ืœื•ื, ืœืขื‘ื•ื“ ื‘ืื ืจื’ื™ื”?
04:00
WK: Yeah. I'm still thinking to work on energy.
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ื•.ืง: ื›ืŸ, ืื ื™ ืขื“ื™ื™ืŸ ื—ื•ืฉื‘ ืœืขื‘ื•ื“ ืขืœ ืื ืจื’ื™ื”.
04:05
CA: Wow. William, it's a real honor to have you at the TED conference.
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ื›.ื: ื•ื•ืื•. ื•ื•ื™ืœื™ืื, ื–ื”ื• ื›ื‘ื•ื“ ื’ื“ื•ืœ ืœืืจื— ืื•ืชืš ื‘ื•ื•ืขื™ื“ืช TED.
04:09
Thank you so much for coming.
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ืชื•ื“ื” ืจื‘ื” ืœืš ืฉื‘ืืช.
04:11
WK: Thank you.
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ื•.ืง.: ืชื•ื“ื” ืœืš.
04:13
(Applause)
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(ื›ืคื™ื™ื)
ืขืœ ืืชืจ ื–ื”

ืืชืจ ื–ื” ื™ืฆื™ื’ ื‘ืคื ื™ื›ื ืกืจื˜ื•ื ื™ YouTube ื”ืžื•ืขื™ืœื™ื ืœืœื™ืžื•ื“ ืื ื’ืœื™ืช. ืชื•ื›ืœื• ืœืจืื•ืช ืฉื™ืขื•ืจื™ ืื ื’ืœื™ืช ื”ืžื•ืขื‘ืจื™ื ืขืœ ื™ื“ื™ ืžื•ืจื™ื ืžื”ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืžืจื—ื‘ื™ ื”ืขื•ืœื. ืœื—ืฅ ืคืขืžื™ื™ื ืขืœ ื”ื›ืชื•ื‘ื™ื•ืช ื‘ืื ื’ืœื™ืช ื”ืžื•ืฆื’ื•ืช ื‘ื›ืœ ื“ืฃ ื•ื™ื“ืื• ื›ื“ื™ ืœื”ืคืขื™ืœ ืืช ื”ืกืจื˜ื•ืŸ ืžืฉื. ื”ื›ืชื•ื‘ื™ื•ืช ื’ื•ืœืœื•ืช ื‘ืกื ื›ืจื•ืŸ ืขื ื”ืคืขืœืช ื”ื•ื•ื™ื“ืื•. ืื ื™ืฉ ืœืš ื”ืขืจื•ืช ืื• ื‘ืงืฉื•ืช, ืื ื ืฆื•ืจ ืื™ืชื ื• ืงืฉืจ ื‘ืืžืฆืขื•ืช ื˜ื•ืคืก ื™ืฆื™ืจืช ืงืฉืจ ื–ื”.

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