When comparing LEDs to incandescent light bulbs, there is a noticeable difference in light quality: LED lamps when dimmed are perceived to be "colder" than incandescents. At CES 2013 this week, NXP Semiconductors is demonstrating ...
Engineering
Jan 10, 2013
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(AP)—The first LED bulbs that are about the same size and brightness as regular 100-watt bulbs are reaching stores. They provide an alternative to compact fluorescents after the federal government banned the production ...
Energy & Green Tech
Nov 12, 2012
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If you're driving your SUV to the farmers market to buy local asparagus and thinking you're making a difference for the planet, - not so fast. You're focused on a detail and ignoring the gas-hogging elephant in the room.
Environment
May 21, 2012
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A new technique that paves the way for manufacturing affordable LED light bulbs is to be exploited in the UK, in a deal that researchers say could have a dramatic impact on carbon emissions.
Energy & Green Tech
Feb 7, 2012
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Alternative lighting is emerging as a potent method to combat the energy crisis. Light-emitting diode (LED) lighting technologies could provide an innovative way to save energy and make wasteful lighting obsolete.
Energy & Green Tech
Nov 17, 2011
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In this month's edition of Physics World, Paul Blom and Ton van Mol from the Holst Centre in Eindhoven describe a way of creating thin, flexible sheets of organic light-emitting diodes (OLEDs) using a cheap, newspaper-style ...
General Physics
Nov 1, 2011
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Silicon Valley is known for computer chips, software companies and social networks - but not light bulbs.
Energy & Green Tech
Oct 3, 2011
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With a January deadline looming on a US law mandating energy efficiency standards for lightbulbs, some political forces don't want to turn out the lights.
Energy & Green Tech
Jun 26, 2011
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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
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University of Miami professor at the College of Engineering, Jizhou Song, has helped design an light-emitting diode (LED) light that uses an array of LEDs 100 times smaller than conventional LEDs. The new device has flexibility, ...
Engineering
Jun 20, 2011
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