November 3, 2006Scientist says tech, pricing improvements to make light-emitting diodes more economical, ecological than conventional bulbs.Photos: Lumileds' LED techTAGS:lightbulb, light-emitting diode, diode, U.S., pricing
June 4, 2004Researchers create a prototype bulb with a carbon nanotube in place of the standard tungsten filament. It uses less power, burns brighter and could lead to the first major overhaul in bulb design i...TAGS:nanotube, lightbulb, carbon, researcher, aircraft