This Lamp Doesn't Need Batteries, Fuel Or Even The Sun

In the vast majority of developing countries without electricity, kerosene lamps are the go-to for seeing in the dark. But kerosene doesn’t burn cleanly and an accidentally knocked-over open flame can quickly set a house ablaze. The GravityLight team have created something special—a lamp that only n…
by José Lourenço via Facebook at May 31, 2015 at 12:26PM
http://ift.tt/1J9F3eh