News tagged with polarization
Related topics: light
Native groups sue over polar bear critical habitat
(AP) -- Alaska Native groups worried about losing tax revenues and royalties from oil development filed a lawsuit Friday challenging the federal government's designation of critical habitat for threatened polar bears on ...
May 14, 2011 |
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Chemistry researchers receive patent for new scientific measurement instrument
Two Baylor University chemistry professors have invented a new polarimeter, a basic scientific instrument used to measure and interpret the polarization of transverse waves, such as light waves, that could prove useful in ...
Chemistry / Analytical Chemistry
May 10, 2011 |
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Study warns of mercury in Arctic
Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, ...
May 05, 2011 |
3.3 / 5 (3) |
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Quantum simulation with light: Frustrations between photon pairs
Researchers of the University of Vienna used a quantum mechanical system in the laboratory to simulate complex many-body systems. This experiment promises future quantum simulators enormous potential insights ...
May 05, 2011 |
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Gravity Probe B confirms two Einstein theories
(PhysOrg.com) -- Stanford and NASA researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of the space agency's longest-running projects.
May 04, 2011 |
4.8 / 5 (27) |
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Paging Han Solo: Researchers find more efficient way to steer laser beams
For many practical applications involving lasers, it's important to be able to control the direction of the laser beams. Just ask Han Solo, or the captain of the Death Star. Researchers from North Carolina State University ...
May 02, 2011 |
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Physics for safer ports: New technology uses nuclear 'fingerprints' to scan cargo ships
While 700 million travelers undergo TSA's intrusive scans and pat-downs each year, 11 million cargo containers enter American ports with little screening at all. And the volume of those containers, roughly ...
Apr 29, 2011 |
5 / 5 (1) |
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Scientists: Soot may be key to rapid Arctic melt
An international research team is in the land of snow and ice, in search of soot.
Apr 20, 2011 |
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WISE delivers millions of galaxies, stars, asteroids
(PhysOrg.com) -- Astronomers across the globe can now sift through hundreds of millions of galaxies, stars and asteroids collected in the first bundle of data from NASA's Wide-field Infrared Survey Explorer ...
Apr 15, 2011 |
5 / 5 (14) |
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Arctic sea ice flights near completion
(PhysOrg.com) -- Operation IceBridge, NASA's airborne mission to monitor polar ice, is amid its fourth week of flights for the Arctic 2011 campaign. Researchers and crew successfully completed flights from ...
Space & Earth / Earth Sciences
Apr 08, 2011 |
4.5 / 5 (2) |
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Ancient fossils hold clues for predicting future climate change, scientists report
(PhysOrg.com) -- By studying fossilized mollusks from some 3.5 million years ago, UCLA geoscientists and colleagues have been able to construct an ancient climate record that holds clues about the long-term ...
Space & Earth / Earth Sciences
Apr 08, 2011 |
4.2 / 5 (6) |
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Physicists rotate beams of light
Controlling the rotation of light – this amazing feat was accomplished at the Vienna University of Technology (TU Vienna), by means of a ultra thin semiconductor. This can be used to create a transistor ...
Apr 05, 2011 |
4.3 / 5 (11) |
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Zoo conducts autopsy on polar bear star Knut
Vets began on Monday an autopsy on Berlin Zoo's superstar polar bear Knut after his untimely and unexplained death aged just four.
Mar 21, 2011 |
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Polar bear star Knut dies
Knut the polar bear, who became a global media sensation as a cub after being rejected by his mother and reared by hand, died suddenly for unexplained reasons, the Berlin Zoo said.
Mar 20, 2011 |
3.7 / 5 (3) |
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Wheels up for extensive survey of Arctic ice
Researchers and flight crew arrived in Thule, Greenland, on Monday, March 14, for the start of NASA's 2011 Operation IceBridge, an airborne mission to study changes in Arctic polar ice. This year's plans include ...
Space & Earth / Earth Sciences
Mar 15, 2011 |
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