News tagged with electron wave
With support, graphene still a superior thermal conductor
The single-atom thick material graphene maintains its high thermal conductivity when supported by a substrate, a critical step to advancing the material from a laboratory phenomenon to a useful component in ...
Nanotechnology / Nanomaterials
Apr 08, 2010 |
4.3 / 5 (8) |
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Shocking recipe for making killer electrons (w/ Video)
Take a bunch of fast-moving electrons, place them in orbit and then hit them with the shock waves from a solar storm. What do you get? Killer electrons. That's the shocking recipe revealed by ESA's Cluster ...
Space & Earth / Space Exploration
Mar 11, 2010 |
4.5 / 5 (8) |
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Electrons on the brink: Fractal patterns may be key to semiconductor magnetism (w/ Video)
(PhysOrg.com) -- Just as the heartbeats of today's electronic devices depend on the ability to switch the flow of electricity in semiconductors on and off with lightning speed, the viability of the "spintronic" ...
Feb 05, 2010 |
4.4 / 5 (16) |
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Mismatched alloys are a good match for thermoelectics
(PhysOrg.com) -- Using the supercomputers at NERSC, Berkeley Lab researchers demonstrated that the semiconductors known as highly mismatched alloys (HMAs) hold great promise for the future development of high ...
Jan 26, 2010 |
4.9 / 5 (7) |
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Radio pulses from pulsar appear to move faster than light
(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...
Jan 14, 2010 |
4.4 / 5 (56) |
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MagicJack's next act: disappearing cell phone fees
(AP) -- The company behind the magicJack, the cheap Internet phone gadget heavily promoted on TV, has made a new version of the device that allows free calls from cell phones in the home.
Jan 08, 2010 |
4.8 / 5 (8) |
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Elusive protein points to mechanism behind hearing loss
(PhysOrg.com) -- A serendipitous discovery of deaf zebra fish larvae has helped narrow down the function of an elusive protein necessary for hearing and balance. The work, led by Rockefeller University’s A. ...
Medicine & Health / Neuroscience
Dec 08, 2009 |
5 / 5 (1) |
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Crashing the size barrier
Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...
Nov 18, 2009 |
4.5 / 5 (16) |
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New nano color sorters from Molecular Foundry
Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light ...
Nov 12, 2009 |
4.5 / 5 (6) |
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Sculptured materials allow multiple channel plasmonic sensors
(PhysOrg.com) -- Sensors, communications devices and imaging equipment that use a prism and a special form of light -- a surface plasmon-polariton -- may incorporate multiple channels or redundant applications if manufacturers ...
Nov 10, 2009 |
5 / 5 (4) |
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New Digital 'Electronics' Concept May Continue Moore's Law
(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...
Nov 05, 2009 |
4.5 / 5 (78) |
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Electron self-injection into an evolving plasma bubble
Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...
Nov 02, 2009 |
4.8 / 5 (5) |
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Flipping a photonic shock wave
A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...
Nov 02, 2009 |
4.2 / 5 (5) |
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Article examines rare quantum physics effect
(PhysOrg.com) -- There's nothing University of Nebraska-Lincoln physicist Herman Batelaan likes more than a challenge. And there are few areas of science more challenging than working at the sub-atomic, or ...
Sep 23, 2009 |
4.2 / 5 (31) |
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World's smallest semiconductor laser heralds new era in optical science
(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...
Aug 30, 2009 |
4.8 / 5 (25) |
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