The first artificial source of light was nothing more than a burning stick — about a million years ago. About 5,000 years ago, a wick and some oil in a clay jar became the first lamp and replaced the ...

Sitting humbly on shelves in stores everywhere is a product, priced at less than $3, that will change the world. Soon. It is a fairly ordinary item that nonetheless cuts to the heart of a half-dozen ...

Thomas Edison invented them more than 125 years ago, but some are saying it's about time to change the light bulb, CBS News correspondent Daniel Sieberg reports. "A compact fluorescent light bulb uses ...

Safe Bulb Changer: with a powerful thumb screw and embedded steel nut, this light bulb changer for high ceilings prevents stripping and locks pole securely; The built in steel pin prevents suction cup ...

Part of our work here at Grist is to give advice to curious readers, and one thing we find ourselves saying a lot is, “Change those bulbs to CFLs!” But you can only socket to ’em so many times before ...