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Posted by AceNik on Sep 20, 2009•
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If eighteen-year-old Milan Karki doesn’t turn out to be the next Tesla or Edison, then I’ll chop off my locks. This kid invented a solar panel which uses human hair as a conductor and could solve an energy crisis.
Milan Karki has managed to create a 9v, 18W solar panel, he managed to make his solar panel for only 23 (roughly $38). He also claims that when mass produced the price could drop substantially down to under $10 a panel, which would shatter the $1/watt sweet spot.
As a teenager in a rural village in Nepal, Milan Karki knows just how desperately developing countries need an affordable, renewable energy source. But rather than whine about the availability of electricity or the cost of batteries, he sat down and came up with a solution: Low-cost solar panels with human hair conductors.
Solar energy isn’t anything new, but solar panels themselves can be pricey to produce due to using silicon. Karki solved the cost issue by using human hair instead since it turns out that Melanin, a color pigment in hair, is a good conductor. Oh, and did we mention that it’s cheaper than silicon?
Half a kilo of hair can be bought for only 16p in Nepal and lasts a few months, whereas a pack of batteries would cost 50p and last a few nights.
I don’t know why they’re selling hair by the kilo, but this idea is absolutely brilliant and I can’t wait to see if it turns into something widely used. [Daily Mail]
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