Engineers have created what may be viewed as the world's smallest incandescent lightbulbs, collections of near-nanoscale materials called 'selective thermal emitters' that absorb heat and emit light.
Traditional, incandescent light bulbs have long been on their way out. First made commercially available by Thomas Edison, the technology has remained largely unchanged for more than a century now: it ...
http://www.dialight.comInitially, the interest in replacing incandescent lamps with light-emitting diodes (LEDs) was sparked by the potential to reduce energy ...