Lighting experts push for LED quality standard
(Phys.org)—It is not enough to be energy efficient; LED lighting also must be consistently high quality and reliable to win over consumers.
Feb 05, 2013
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Novel inline hydropower system for power generation from water pipelines
Generating electricity from water is not a new thing. Hydro power stations have already sprung up across the world in China, United States and Canada. However, scientists will not stop exploring advanced technologies for ...
Dec 11, 2012
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LEDs winning light race to save energy, the environment: report
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 ...
Sep 05, 2012
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Rebates to cut price of $60 LED bulb
(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb ...
Apr 16, 2012
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Electrons in concert: A simple probe for collective motion in ultracold plasmas
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...
Feb 06, 2012
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GOP wins battle of the bulb
Congress has dodged a government shutdown, agreeing to a $1 trillion spending bill that features a variety of rare compromises. Both Democrats and Republicans won some concessions, and it's too early to say who came out on ...
Dec 26, 2011
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Manufacturing method paves way for commercially viable quantum dot-based LEDs
University of Florida researchers may help resolve the public debate over America's future light source of choice: Edison's incandescent bulb or the more energy efficient compact fluorescent lamp. It could be neither.
Aug 31, 2011
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Mercury vapor released from broken compact fluorescent light bulbs can exceed safe exposure levels
Once broken, a compact fluorescent light bulb continuously releases mercury vapor into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated room, according ...
Jul 06, 2011
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Physicists observe 'campfire effect' in blinking nanorod semiconductors
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 ...
Jun 23, 2011
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Texas light bulb bill would skirt federal plan
Texas could soon be in a position to turn the lights off on a federal plan to phase out certain light bulbs.
Jun 14, 2011
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App points homeowners toward best low-energy light bulbs
When it comes to buying an energy-saving light bulb, some consumers want to curb their carbon footprint. Even more want to save money.
Oct 28, 2010
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Energy saving lamp is eco-winner
In a new study, EMPA researchers have investigated the ecobalances of various household light sources. In doing so not only did they take into account energy consumption, but also the manufacture and disposal processes. They ...
Oct 22, 2010
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NREL Finds a Way to Give LEDs the Green Light
(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.
Apr 05, 2010
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Researchers Develop Nanofiber-Based Technology to Make Energy-Efficient Lighting
(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 ...
Feb 10, 2010
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