You might not think much about the light bulbs that are in your home, but there is a ton of research going into methods of making green light bulbs that will not only run longer but also use less ...

Larry West is an award-winning environmental journalist and writer. He won the Edward J. Meeman Award for Environmental Reporting. LEDs have been used widely for decades in other applications—forming ...

Researchers have discovered that living plants are literally 'green' power source: they can generate, by a single leaf, more than 150 Volts, enough to simultaneously power 100 LED light bulbs.

About ten years ago I invested in an LED (light emitting diode) company, and [cutting to the chase] we were too early. The technology and the market did not come together as soon as we had expected, ...

The tear-shaped bulb is made up of an air pump, LED, hidrophob container, PC Shell, and air outlet. The system sucks in carbon dioxide and water through the pump near the E27 screw-top, and as the air ...

Osram Opto Semiconductors has claimed a new performance record for prototype red LEDs. The InGaAlP thin-film devices have an efficacy of 119 lm/W at an operating current of 350 mA, and 136 lm/W at 70 ...

Learn why LED lights are a much more efficient lighting alternative. Thomas Edison perfected the first incandescent light bulb in 1879. It burned for 13.5 hours. And incandescent bulbs are still ...

If you fly to Asia on the new Boeing 787 Dreamliner, you might find it a wee bit easier to fall asleep on the way. The light emitting diodes (LED) employed as cabin lighting have been programmed to, ...