Dozens of red hot spots cluster at the tip of Mexico's Yucatan Peninsula. To the south, fires also speckle the neck of the Yucatan, Guatemala, and Belize. Each hot spot, which appears as a red mark, is an ...
Apr 11, 2013
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When you look in a mirror, you see an image of yourself in reverse. But one odd mirror invented by mathematics professor Dr. R. Andrew Hicks at Drexel University shows your true face without reversing its ...
Nov 16, 2012
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The highly effective optical means by which silvery fish, such as the European sardine and Atlantic herring, camouflage themselves from predators is explained this month in Nature Photonics.
Oct 21, 2012
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Scientists have developed important new insight into the sensitivity of global temperature to changes in the Earth's radiation balance over the last half million years.
Dec 06, 2011
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(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between ...
Aug 22, 2011
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(PhysOrg.com) -- While cool roofs and pavements have been found to cool the planet by preventing energy from being radiated back into the atmosphere, previous studies have not accounted for atmospheric feedbacks ...
Jul 27, 2011
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(PhysOrg.com) -- "Secondary" may not sound as important as "primary" but when it comes to the next-generation James Webb Space Telescope a secondary mirror plays a critical role in ensuring the telescope gathers ...
Jul 20, 2011
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The U.S. Army Corps of Engineers detonated explosives at the Birds Point levee near Wyatt, Missouri, at 10:02 p.m. on May 2, 2011. Water from the intentional breach flooded a 130,000-acre stretch of land. ...
May 12, 2011
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(PhysOrg.com) -- A new nanocoating ensures a perfectly non-reflecting view on displays and through eyeglasses. The necessary surface structure is applied to the polymeric parts during manufacture, obviating ...
May 04, 2010
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On September 6, 2009, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite captured this simulated natural color image of the Station fire, burning ...
Sep 09, 2009
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(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, ...
May 13, 2009
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Mathematician Andrew Hicks was in his Drexel University office, puzzling over some problem he can no longer recall, when colleague Ron Perline walked in with a challenge. Fresh from his morning bicycle ride, Perline was unhappy ...
Jan 18, 2009
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