Water bottle light bulb
Submitted by cuz on Sat, 09/10/2011 - 17:44
This Youtube video shows a brilliant approach to introducing solar lighting to dark homes (in Indonesia or the Philippines, I believe). It's low-cost, simple technology that refracts solar light (during the day, of course) into the homes.
Comments
Amazing what simple science
Amazing what simple science can achieve!! :D
Amazing! This should be used
Amazing! This should be used more in India as well...:)
great!!
great!!