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Spray-on Solar Cells

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Spray-on Solar Cells
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submitted by: buddy
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Hits: 16906 | Favorites: 24 | Emailed: 1 | Rating: 3.0 | Category: Science | Date: 02/16/2006
 
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jono142
Male, 18-29, Europe
 593 Posts
Thursday, February 23, 2006 7:36:51 AM
cool idea

RinjiHalfElf
Female, 18-29, Midwest US
 339 Posts
Friday, February 17, 2006 11:51:06 PM
I never said it was sucking the heat out of you.

Maybe It would makes more sense if I had said "excess body heat". Sucking the body heat from you is absurd.

In my first post I was implying that there is a First Law of Thermal Dynamics, albeit subtly. By that logic, a sweater that "sucks" energy from your body would me illogical to make because it would use just as much energy (and usually then some) to suck the heat from your body as your body makes.

That's why electric companies don`t conserve the extra energy they make. It takes more energy to conserve it than to just let it pass through the power lines as heat.


Apples_Rock
Male, 13-17, Canada
 224 Posts
Friday, February 17, 2006 9:28:37 PM
RinjiHalfElf, no its just using the heat that your body makes, it's not "sucking" it out of your body, like some kind of a parasite.

RinjiHalfElf
Female, 18-29, Midwest US
 339 Posts
Friday, February 17, 2006 4:33:23 AM
I would imagine that the only time we would want our body heat converted to energy is if we are hot.

Remember, when the solarsweater gets energy from your body heat you are also losing your body heat because the solar sweater is converting it to energy. That just defeats the purpose of a sweater.


BlechJetzt
Male, 13-17, Eastern US
 5 Posts
Thursday, February 16, 2006 9:26:55 PM
"Everything that's warm gives off some heat."

After reading a line such as that, I have trouble taking the rest of the article seriously.


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