In 2009, 18 year-old Nepali student Milan Karki revealed his invention of a solar panel that uses human hair as a conductor. Most solar panels use silicon for that function, which can be costly. Karki’s invention replaces silicon with human hair, which contains light-sensitive melanin.
The costs of producing and maintaining a solar panel that uses human hair is significantly less than one which uses silicon, and it is obviously more resourceful.
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