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[NBCnews] Teenager invents flashlight powered by the warmth of your hand.

post #1 of 89
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Quote:
Ann Makosinski of Canada entered another Science Fair last year with a flashlight that used kinetic energy to power its LEDs, and this year she wanted to try making one that worked via the thermoelectric effect. That's when a small amount of electricity can be harvested as electrons flow between the cool and hot sides of a material.

I thought this was neat enough to put here.
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post #2 of 89
COOL!
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post #3 of 89
Um... peltier working in reverse? Not exactly 'shocking'.
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post #4 of 89
Quote:
Originally Posted by Ihatethedukes View Post

Um... peltier working in reverse? Not exactly 'shocking'.

Nope but she did it and we didn't. That's all there is to it.
APU what?
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APU what?
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post #5 of 89
Quote:
Originally Posted by Cavi Mike View Post

Nope but she did it and we didn't. That's all there is to it.

Indeed... gotta take into account her age too!
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post #6 of 89
Quote:
Originally Posted by tompsonn View Post

Indeed... gotta take into account her age too!

Agreed.
post #7 of 89
Quote:
Originally Posted by Cavi Mike View Post

Nope but she did it and we didn't. That's all there is to it.

Firstly, there was a pun in there!

Secondly, I didn't even click the article before writing it.

Thirdly, it baaaaarely works when you hold it with a deathgrip.

Fourthly, It only works as long as the flashlight remains cooler than your palm so it will work... then slowly stop working... or if you left it in your hot trunk.... won't work.

Fifthly, when that girl gets older she's going to break some hearts.
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post #8 of 89
Quote:
Originally Posted by Ihatethedukes View Post

Firstly, there was a pun in there!

Secondly, I didn't even click the article before writing it.

Thirdly, it baaaaarely works when you hold it with a deathgrip.

Fourthly, It only works as long as the flashlight remains cooler than your palm so it will work... then slowly stop working... or if you left it in your hot trunk.... won't work.

Fifthly, when that girl gets older she's going to break some hearts.

You must be great at parties.
    
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post #9 of 89
Built with eBay parts and it works. Need I say more?
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post #10 of 89
Quote:
"The flashlight I have made is more of a prototype then a final product, but the components in my device are quite strong,"
Whyyyyy.. Oh God, why?! (Click to show)
poke.gifpoke.gifpoke.gifpoke.gifpoke.gifpoke.gifpoke.gifpoke.gifpoke.gifpoke.gif

But still, a good read.
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Overclock.net › Forums › Industry News › Technology and Science News › [NBCnews] Teenager invents flashlight powered by the warmth of your hand.