The Greener Gadgets Conference has doled out a design award to a Virgina Tech student who proposes a lamp powered by gravity. The floor lamp has a 4-foot column, down which a weighted element slowly ...

The LED lamp, named Gravia, has just won second place in the Greener Gadgets Design Competition in New York City. Concept illustrations of Gravia depict an acrylic column a little over four feet high.

A lamp for $5 that does not require any electrical power source? It may sound like an impossible dream, but two designers in London have built functioning prototypes of GravityLight, a cheap way for ...

Two London designers spent four years developing this gravity-powered light, which, now that it exists, seems like such a simple and obvious idea that it’s a mystery why no one thought of it before.

With most of us in the developed world more concerned about the flow of electricity to power our computers, TVs and all manner of other wonders of the modern age, it’s easy to forget the massive ...

This is SCIENCE FRIDAY. I'm Flora Lichtman, filling in for Ira Flatow today. Solar, wind, geothermal - now there's a new renewable energy source to add to that list. It's free, completely reliable and ...

You can take your solar power and scrub it. Solar power is great if you live in, I dunno, daylightistan (aka Los Angeles), but for those of us up here in the Northwest, it’s not practical. But we have ...

A London design consultancy has developed a cheap, clean, and safer alternative to the kerosene lamp. Kerosene burning lamps are thought to be used by over a billion people in developing nations, ...

February 20, 2008 It’s the environmentally friendly lamp with gravitas. Clay Moulton, a Virginia Tech student, has created a 58-inch tall floor lamp powered entirely by gravity. Gravia uses a slowly ...

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... Inventors Design Lamp Powered Entirely By Gravity ...