How photonics can reshape the spectrum of light, and rehabilitate Edison's light bulb along the way
Traditional light bulbs, thought to be well on their way to oblivion, may receive a reprieve thanks to a technological breakthrough.
Traditional light bulbs, thought to be well on their way to oblivion, may receive a reprieve thanks to a technological breakthrough.
Nanophysics
Jan 11, 2016
27
2339
When semiconductor nanorods are exposed to light, they blink in a seemingly random pattern. By clustering nanorods together, physicists at the University of Pennsylvania have shown that their combined "on" time is increased ...
Nanophysics
Jun 23, 2011
0
0
(PhysOrg.com) -- Light bulbs that last 100 years and fill rooms with brilliant ambiance may become a reality sooner rather than later, thanks to a National Renewable Energy Laboratory discovery.
Engineering
Apr 5, 2010
20
0
(AP) -- Someday, our ceilings and walls might radiate light, illuminating indoor spaces as brightly and evenly as natural daylight.
Hi Tech & Innovation
Jul 22, 2009
5
0
(AP) -- Light-emitting diodes are prime candidates for replacing inefficient incandescent bulbs, but have a few things working against them. They can provide a pleasing warm light or they can be energy-efficient, but they ...
Nanomaterials
May 5, 2009
0
0
Researchers at the University of Pennsylvania have pioneered a process that could enable the efficient recycling of rare-earth metals, which are found in many high-tech devices. Mining and purifying rare-earth metals is not ...
Materials Science
Dec 12, 2016
1
17
U.S. Department of Energy's Ames Laboratory and Critical Materials Institute materials chemist Anja Mudring is harnessing the promising qualities of ionic liquids, salts in a liquid state, to optimize processes for critical ...
Materials Science
Dec 24, 2014
1
1
The average amount of electricity consumed in U.S. homes has fallen to levels last seen more than a decade ago, back when the smartest device in people's pockets was a Palm pilot and anyone talking about a tablet was probably ...
Energy & Green Tech
Dec 30, 2013
3
0
Today's light-emitting diode light bulbs have a slight environmental edge over compact fluorescent lamps. And that gap is expected to grow significantly as technology and manufacturing methods improve in the next five years, ...
Energy & Green Tech
Sep 5, 2012
15
1
(PhysOrg.com) -- RTI International has developed a revolutionary lighting technology that is more energy efficient than the common incandescent light bulb and does not contain mercury, making it environmentally safer than ...
Nanomaterials
Feb 10, 2010
7
0