The Hapi region on the neck of Rosetta's comet 67P/Churyumov-Gerasimenko reflects red light less effectively than most other regions on the comet. It thus appears slightly blueish. The Hapi region is located between the comet's ...
Space Exploration
Mar 13, 2015
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The Earth is often compared to a majestic blue marble, especially by those privileged few who have gazed upon it from orbit. This is due to the prevalence of water on the planet's surface. While water itself is not blue, ...
Earth Sciences
Dec 2, 2014
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M. S. M. Saifullah and Hemant Raut of A*STAR's Institute of Materials Research and Engineering in Singapore and their co-workers have developed a coating that matches the optical properties of the best conventional anti-reflective ...
Materials Science
Oct 23, 2013
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Trials testing the effect of interior paints containing titanium dioxide on the energy required to light a room have reconfirmed the naturally occurring oxide's ability to reduce energy consumption and counteract global warming.
Energy & Green Tech
Sep 19, 2013
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(Phys.org) —This image shows the potentially hazardous near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula. NEOWISE, the asteroid-hunting portion of the Wide-field Infrared Survey ...
Astronomy
Aug 26, 2013
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(Phys.org) —Quasars are active black holes—primarily from the early universe. Using a special method where you observe light that has been bent by gravity on its way through the universe, a group of physics students from ...
Astronomy
Aug 7, 2013
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The use of plasmonic black metals could someday provide a pathway to more efficient photovoltaics (PV) —- the use of solar panels containing photovoltaic solar cells —- to improve solar energy harvesting, according to ...
Optics & Photonics
Jul 30, 2013
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From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such phenomena—gravity waves and sunglint—are ...
Earth Sciences
Jul 23, 2013
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There are several ways to "trap" a beam of light—usually with mirrors, other reflective surfaces, or high-tech materials such as photonic crystals. But now researchers at MIT have discovered a new method to trap light that ...
General Physics
Jul 10, 2013
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Enormous amounts of energy are wasted in greenhouses where our food is grown as a result of the plants receiving too much and the wrong kind of light. This can also stress and damage the plants. Researchers at Chalmers University ...
Plants & Animals
Apr 8, 2013
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