Build­ing mol­e­cules: Serendipity pays off

Serendipity – the act of finding something good or useful while not specifically searching for it – can sometimes pay off. Now Princeton University chemistry researchers report that this non-specific type of searching ...

Review: 'Smart' LED bulbs controlled by iPhones

LED bulbs seem to be the future of home lighting: They save electricity, they're durable and they don't contain mercury like compact fluorescents. But having them produce white light like any old light bulb is like using ...

Why NASA observes the Sun in different wavelengths

(Phys.org)—Taking a photo of the sun with a standard camera will provide a familiar image: a yellowish, featureless disk, perhaps colored a bit more red when near the horizon since the light must travel through more of ...

Solar fleet peers into coronal cavities

(Phys.org)—The sun's atmosphere dances. Giant columns of solar material – made of gas so hot that many of the electrons have been scorched off the atoms, turning it into a form of magnetized matter we call plasma – ...

Swivelling solar home stars in Madrid contest

International teams have built 19 sun-powered homes in Spain's capital for a contest that shows off futuristic designs, including one house that swivels 180 degrees.

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 the next five years, ...

Conquering LED efficiency droop

WASHINGTON, April 30--Like a coffee enthusiast who struggles to get a buzz from that third cup of morning joe, light-emitting diodes (LEDs) seem to reach a point where more electricity no longer imparts the same kick and ...

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