Inventors Design Lamp Powered Entirely By Gravity

NPR | Jan. 18, 2013 10:03 a.m. | Updated: Jan. 22, 2013 1:28 p.m.

play
pause
stop
mute
unmute
max volume

repeat
repeat off

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

As part of a research initiative on how to harness off-grid energy for low-power electronics, a pair of U.K.-based designers created a lamp that uses gravity to generate light. Martin Riddiford, co-inventor of the GravityLight, talks about plans for the innovative project.