When placed next to a bar magnet, an aluminum ball draws gently towards the magnet. In contrast, a ball made of silver moves out of the magnetic field. The mechanisms underlying these different behaviors are known as paramagnetism ...
General Physics
Nov 22, 2012
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(Phys.org)—The evolution of digital electronics is a story of miniaturization - each generation of circuitry requires less space and energy to perform the same tasks. But even as high-speed processors move into handheld ...
General Physics
Aug 28, 2012
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(Phys.org) -- Eleven tiny satellites called CubeSats will accompany a spy satellite into Earth orbit on Thursday, Aug. 2, inaugurating a new type of inexpensive, modular nanosatellite designed to piggyback aboard other NASA ...
Space Exploration
Jul 31, 2012
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Using a new ultrafast camera, researchers have recorded the first real-time image of two atoms vibrating in a molecule.
General Physics
Mar 7, 2012
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How long does it take an electron to form a photon? The answer would normally be: so short a time that it cannot be measured. However, the international CERN team responsible for experiment NA63 -- mainly staffed by physicists ...
General Physics
Feb 28, 2012
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(PhysOrg.com) -- Mission managers for NASA's Dawn spacecraft are studying the spacecraft's ion propulsion system after Dawn experienced a loss of thrust on June 27. Dawn team members were able to trace the episode to an electronic ...
Space Exploration
Jul 8, 2011
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Data products from the Special Sensor Ultraviolet Limb Imager (SSULI) developed by the NRL Spacecraft Engineering Department and Space Science Division were officially transitioned for use in operational systems at the Air ...
Engineering
Jun 22, 2011
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(PhysOrg.com) -- The quest to develop a so-called room-temperature superconductor – one that exhibits lossless electronic transmission – has long fueled both popular and scientific imagination. At the same time, ...
(PhysOrg.com) -- In research appearing in today’s issue of the journal Nature Nanotechnology, Nongjian “NJ” Tao, a researcher at the Biodesign Institute at Arizona State University, has demonstrated a clever ...
Nanophysics
Feb 20, 2011
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient as current ...
General Physics
Dec 14, 2009
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