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Solar Panel Made From Human Hair
Milan Karki, a young inventor from rural Nepal, claims to have figured out a way to replace the silicon in solar panels with human hair. From the Daily Mail:

Milan and four classmates initially made the solar panel as an experiment but the teens are convinced it has wide applicability and commercial viability.
'I'm trying to produce commercially and distribute to the districts. We've already sent a couple out to the districts to test for feasibility,' he said.
The solar panel, which produces 9 V (18 W) of energy, costs around £23 to make from raw materials. (among others) is skeptical:

if you head over to the Daily Mail and look at the photos, you'll see that the hair covers only a very small surface area on the prototype. This doesn't look like it would be enough to generate the electricity they claim to generate. In fact, if we extrapolate from that small surface area, this implies that a panel completely covered would produce much more power; possibly more than what is possible based on how much solar energy hits that surface
Posted by The Curator on Thu Sep 10, 2009

According to the article, the melanin in the hair is what's powering the solar energy cells. How long until he realizes there's lots more melanin in the skin than in hair and starts making solar panels out of human skin (preferably dark skin)?
Posted by Frosted Donut  in  Mercer Island  on  Thu Sep 10, 2009  at  02:42 PM
This has been debunked. Google on nepal solar hair hoax or go to
Posted by Anon  on  Thu Sep 10, 2009  at  04:07 PM
Actually, since what seems to be needed is silicone, I say we start using old implants and discarded lips and let's skip all that and just use the fatty tissue for making candles, maybe a colored one to make me rich shock
Posted by mario  in  new joysey  on  Fri Sep 11, 2009  at  04:23 AM
No dice, Mario, for solar cells you need silicon, not silicone. It's not the same thing.
Silicon is the major ingredient in sand and glass and many rocks, but for good solar cells it needs to be purified, which is where most of the expense of making the cells comes in.

My hair would be no good for the solar panels anyway. Being a mixture of blond and gray (white), my hair is highly deficient in melanin.

Then there's the little problem (described in the article Anon linked to) that hair doesn't conduct electricity-- in fact, apparently it's an excellent insulator-- but now we're beating a dead horse.
Posted by Big Gary  in  Sun City, Texas  on  Fri Sep 11, 2009  at  10:58 AM
It is presumably possible to make candles from human fat, but I don't want to go there.
Posted by Big Gary  in  Terlingua, Texas  on  Fri Sep 11, 2009  at  10:59 AM
I was hoping that by running head first and at full speed, into a brick wall; I would be able to achieve nuclear fusion cheese
Posted by mario  in  new joysey  on  Sat Sep 12, 2009  at  12:03 AM
One of those hair today - gone tomorrow ideas.
Posted by Superperson  on  Sat Sep 12, 2009  at  12:05 PM
Don't worry guys! We can still use the hair to make soy sauce!
Posted by Sakano  in  Ohio  on  Sun Sep 13, 2009  at  01:28 PM
i'd give them some of my electricity if the could get my hair to grow back.
Posted by alfred neumann  in  bangalore  on  Tue Oct 06, 2009  at  01:22 AM
Right have you heard of "how to power your whole house using your nail"?
Posted by solar  in  San Francisco  on  Tue Apr 13, 2010  at  02:23 AM
Wow,this is really amazing. How wonder this is that Solar panel made from human hair! Hope that it will able to give its all good facilities. Thanks
Posted by Jony Deny  in  ST Bond, Perth, WA 6000, Australia  on  Wed Feb 23, 2011  at  07:37 AM
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