Many take dim view of new-fangled Christmas lights
(AP) -- To Steven Walls, it's beginning to look nothing like Christmas, anywhere he goes.
(AP) -- To Steven Walls, it's beginning to look nothing like Christmas, anywhere he goes.
Energy & Green Tech
Dec 21, 2009
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Just when you were finally warming up to the idea of swapping out your old light bulbs with compact fluorescent ones, you may soon find a new alternative at your local hardware store.
Energy & Green Tech
Oct 22, 2009
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(PhysOrg.com) -- In full sunlight at mid-day, gold objects are brilliant and richly colored. Put those same objects in a dark interior room with only fluorescent lamps, however, and they will look pale and slightly greenish ...
Engineering
Oct 1, 2009
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(PhysOrg.com) -- While compact fluorescent lights (CFLs) are currently the primary alternative to incandescent light bulbs, a company from Seattle predicts that its own novel light bulbs will eventually replace CFLs and LEDs. ...
Just a few years ago, most conversations Christian Wetzel had about his research began with a quick explanation of LEDs.
Engineering
Sep 2, 2009
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Old-style 100-watt light bulbs will be banned in Europe's shops from next week in favour of new energy-saving models, but consumers groups on Wednesday gave the move a guarded welcome.
Energy & Green Tech
Aug 26, 2009
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One way the United States could slash its electricity use, dependence on fossil fuels and emissions of heat-trapping gases is really quite simple: better light bulbs.
Energy & Green Tech
Aug 13, 2009
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Dear EarthTalk: What are some simple low-cost improvements I can do to my home to make it greener? (Stefan Lonce, via e-mail)
Environment
Aug 11, 2009
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(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
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(PhysOrg.com) -- Scientists have developed a lighting device that can change its color temperature throughout the day, matching the natural daylight chromaticities produced by the sun. Currently, no other type of lighting ...