

Hair acts as a conductor solar panels instead of expensive silicon, which means that it will reduce the cost of solar panels and provided for the short energy area. Nepal, as the world's poorest countries and many rural areas are short of power, even in areas connected with the power lines, residents are usually facing up to 16 hours electricity shortage every day.
In Nepal, you can buy half a kilo of sand hair with 16 Nepal dollars, electrical energy can be provided by a few months with these hairs. The battery can only be using for a few nights with 50 Nepal dollars. And what is more! The people can easily collect free of hair, hence this method appears to benefit a lot.

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