News tagged with light field
Most precise test yet of Einstein's gravitational redshift
(PhysOrg.com) -- While airplane and rocket experiments have proved that gravity makes clocks tick more slowly - a central prediction of Albert Einstein's general theory of relativity - a new experiment in ...
Feb 17, 2010 |
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NASA's WISE Space Telescope Jettisons Its Cover
(PhysOrg.com) -- Engineers and scientists say the maneuver went off without a hitch, and everything is working properly. The mission's "first-light" images of the sky will be released to the public in about ...
Space & Earth / Space Exploration
Dec 30, 2009 |
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Tiny nano-electromagnets turn a cloak of invisibility into a possibility
A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.
Dec 22, 2009 |
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Colliding auroras produce an explosion of light
(PhysOrg.com) -- A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, ...
Space & Earth / Space Exploration
Dec 17, 2009 |
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Caltech scientists film photons with electrons
(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...
Dec 16, 2009 |
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Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)
(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...
Space & Earth / Space Exploration
Nov 24, 2009 |
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NASA's Wise Gets Ready to Survey the Whole Sky (w/ Video)
(PhysOrg.com) -- NASA's Wide-field Infrared Survey Explorer, or Wise, is chilled out, sporting a sunshade and getting ready to roll. NASA's newest spacecraft is scheduled to roll to the pad on Friday, Nov. ...
Nov 17, 2009 |
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Chinese scientists create metamaterial black hole
(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...
Oct 16, 2009 |
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A road of no return: Team implements the first '1-way roads' for light
Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...
Oct 08, 2009 |
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Massive Stars Near the Galactic Center
The Central Molecular Zone (CMZ) of our galaxy is a giant complex of molecular gas and dust situated in the innermost 700 light-years of the Milky Way. Although the galaxy is over 100,000 light-years in size, ...
Aug 28, 2009 |
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Scientists discover, visualize exotic electrons on surfaces of unique insulators
(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...
Aug 10, 2009 |
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Physicists Propose Scheme for Teleporting Light Beams
(PhysOrg.com) -- Usually when physicists talk about quantum teleportation, they're referring to the transfer of quantum states from one particle to another without a physical link. Now, physicists have investigated ...
Jul 14, 2009 |
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Scientists develop novel ion trap for sensing force and light
Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute ...
Jul 01, 2009 |
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Research Team Discover New Tidal Debris from Colliding Galaxies
Astronomers have discovered new tidal debris stripped away from colliding galaxies. The research will be being presented during a press conference at the 214th annual American Astronomical Society meeting ...
Jun 09, 2009 |
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Nanoscale zipper cavity responds to single photons of light
Physicists at the California Institute of Technology have developed a nanoscale device that can be used for force detection, optical communication, and more. The device exploits the mechanical properties of ...
Jun 04, 2009 |
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