Empa has conducted an investigation to find out how much mercury energy-saving lamps contain and if this is within legal requirements. Altogether, 75 commercially available lamps were tested, with encouraging results – ...
Analytical Chemistry
Jan 31, 2014
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(Phys.org) —A 2-ton instrument the size of a compact car, now available at SLAC's X-ray laser, makes it possible to capture more detailed images of atoms, molecules, nanoscale features of solids, and individual particles ...
General Physics
Jan 17, 2014
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A team of researchers from Germany, Italy, and the USA have shown that observations of stellar visibility by citizen scientists accurately measure the brightness of the night sky. The researchers published their results Thursday ...
Space Exploration
May 21, 2013
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Panasonic Corporation today announced that it has developed a solar lantern that doubles as a charger for people living without electricity. With a built-in rechargeable battery to store solar energy during the day, the lantern ...
Energy & Green Tech
May 13, 2013
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(Phys.org) —Tomatoes can contain more vitamin C if they are exposed to extra light from LED lamps while growing on the plant. This has been proven by research by Wageningen UR Greenhouse Horticulture in collaboration with ...
Biotechnology
May 9, 2013
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OLEDs – thin, light-emitting surfaces – are regarded as the light sources of the future. White OLEDs consist of stacked, ultra-thin layers, each emitting its own light color, all together resulting in white light. Up ...
Engineering
Apr 15, 2013
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(Phys.org)—It is not enough to be energy efficient; LED lighting also must be consistently high quality and reliable to win over consumers.
Energy & Green Tech
Feb 5, 2013
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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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(Phys.org)—Gravity: It's the law in these parts. But to reach the stars, humans may have to learn to live outside the law.
Space Exploration
Dec 18, 2012
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The small kerosene lamps that light millions of homes in developing countries have a dark side: black carbon – fine particles of soot released into the atmosphere.
Environment
Dec 10, 2012
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