The Gravitylight: Lighting For Developing Countries

by admin - 2013-01-04 ( education / tech / help / charity ) [html version]

GravityLight: lighting for the developing countries on Vimeo.

This is so cool!

"GravityLight is a revolutionary new approach to storing energy and creating illumination. It takes only 3 seconds to lift the weight which powers GravityLight, creating 30 minutes of light on its descent. For free."

And here is a "less new" link.Their second fundraising campaign has also expired, but you can still how well they did.