Martin Riddiford

Jan. 18, 2013

Inventors Design Lamp Powered Entirely by Gravity

The gravity-powered device uses a weight to generate up to 30 minutes of light as it descends.

light, lamp, led lamp, gravity, developing world, developing country, invention, engineering

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Hollywood Science

BOOKS BY OUR GUESTS

Mystery Box

Future of Animation

Recent films such as Coraline have wowed audiences with their visual effects. We'll talk with movie industry experts about the science and technology that lies behind animation, 3D images, and other visual tricks of the silver screen.

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics