Most types of incandescent bulbs are now obsolete, but you can still light your place with a warm glow It’s now official — LED bulbs are in and incandescents are out.

CAMBRIDGE, MASS. — Researchers at the Massachusetts Institute of Technology made a 60-watt light bulb glow by sending it energy wirelessly -- from a device 7 feet away -- potentially heralding a ...

The company's Glow-Lux emergency lights work like normal fluorescent bulbs (albeit very expensive ones) when they're on. When the power goes out, the bulbs glow green, thanks to a phosphorescent ...

The Finally Light Bulb is a drastically miniaturized induction light, a type used to light skyscrapers, tunnels, and warehouses.Induction lights use a magnetic field instead of the failure-prone ...

The science: Light bulbs glow when electrons speed across a thin metal wire called a filament, heating it to several thousand degrees. In this experiment, you harnessed the energy of the microwave ...

Most types of incandescent bulbs are now obsolete, but you can still light your place with a warm glow It’s now official — LED bulbs are in and incandescents are out.

LED lighting uses at least 75% less energy than incandescent and doesn’t produce as much heat. It lasts as much as 25% longer too.