(Phys.org) —Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.
6 hours ago
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(Phys.org) —By the time most of us realize we've been out in the sun too long, it's too late. It can take up to 24 hours after exposure before you realize you have a sunburn.
May 01, 2013
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(Phys.org) —An international team of researchers succeeds in generating flashes of extreme ultraviolet radiation via the reflection from a mirror that moves close to the speed of light.
Apr 24, 2013
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(Phys.org)—The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in braids ...
Feb 04, 2013
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(Phys.org)—Measurements obtained with ESA's Venus Express spacecraft have shed new light on the interaction between the solar wind and the second planet from the Sun. During a rare period of very low density ...
Jan 29, 2013
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(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 ...
Jan 23, 2013
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The NIMS International Center for Materials Nanoarchitectonics (WPI-MANA) has developed a supermolecular material which makes it possible to visualize the distribution of cesium on the surface of solids and ...
Jan 16, 2013
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In this latest update from the MSL team, Ashwin Vasavada, the Deputy Project Scientist, explains how Curiosity has been monitoring the winds and radiation levels in Gale Crater. Curiosity has also been looking ...
Nov 19, 2012
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(Phys.org)—Tomorrow's total solar eclipse will only be visible in its entirety to ground-based observers watching from northern Australia, but ESA's Sun-watching Proba-2 satellite will have a ringside seat ...
Nov 13, 2012
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Described as a "dusty curtain" or "ghostly apparition," mysterious reflection nebula VdB 152 really is very faint. Far from your neighborhood on this Halloween Night, the cosmic phantom is nearly 1,400 light-years ...
Nov 01, 2012
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(Phys.org)—NIST's ability to test and calibrate sensors in the extreme ultraviolet (EUV) range – wavelengths of key importance to space-weather observations and microchip lithography, among other fields ...
Oct 17, 2012
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(Phys.org)—Clouds regularly punctuate Earth's blue sky, but on Venus the clouds never part, for the planet is wrapped entirely in a 20 km-thick veil of carbon dioxide and sulphuric dioxide haze.
Oct 08, 2012
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(Phys.org)—Crabs living half-a-mile down in the ocean, beyond the reach of sunlight, have a sort of color vision combining sensitivity to blue and ultraviolet light. Their detection of shorter wavelengths ...
Sep 06, 2012
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A University of Central Florida research team has created the world's shortest laser pulse and in the process may have given scientists a new tool to watch quantum mechanics in action – something that has ...
Sep 04, 2012
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