News tagged with waves
In radiation 'ventriloquism,' electromagnetic waves travel backwards
Sep 23, 2008 |
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(PhysOrg.com) -- Typically, electromagnetic waves travel away from their sources. For instance, a radar system emits radio waves that travel all the way to a target, such as a car or plane, before being reflected ...
New Digital 'Electronics' Concept May Continue Moore's Law
Nov 05, 2009 |
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(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 ...
Making waves: Mathematicians crack quantum chaos conjecture
Oct 10, 2008 |
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The American Institute of Mathematics announces that Soundararajan and Roman Holowinsky have proven a significant version of the quantum unique ergodicity conjecture. Their work, based in the pure mathematics area of number ...
Gravity waves could hold key to supersymmetry
Nov 05, 2008 |
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(PhysOrg.com) -- "In Geneva," Anupam Mazumdar tells PhysOrg.com, "there is a big effort to discover supersymmetry particles at the Large Hadron Collider. But that is not the only way to find these particles. We should also b ...
Low-Budget Fusion Reactor Could Generate Energy within a Decade
Aug 04, 2009 |
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(PhysOrg.com) -- Currently, most nuclear fusion power plants are large, expensive projects that will take decades to benefit from. But a startup company in Vancouver, Canada, called General Fusion is taking ...
Physicists Transmit Light through Opaque Materials
Aug 18, 2008 |
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No matter how thick an opaque "scattering material" is, physicists have shown how to weave light through tiny open channels in the material, so that the light passes through on the other side.
Star crust 10 billion times stronger than steel, physicists find
May 06, 2009 |
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(PhysOrg.com) -- Research by a theoretical physicist at Indiana University shows that the crusts of neutron stars are 10 billion times stronger than steel or any other of the earth's strongest metal alloys.
Scientist Explains Why Jupiter's Moon Europa Could Have Energetic Liquid Oceans
Space & Earth / Space Exploration
Dec 12, 2008 |
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(PhysOrg.com) -- Scientists used to think that Jupiter and its moons - and most other bodies orbiting far from the Sun - were cold, icy, and probably barren. When the Voyager spacecraft flew by in the late ...
Congress considers major global warming measure
Apr 19, 2009 |
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(AP) -- The last time Congress passed major environmental laws, acid rain was destroying lakes and forests, polluted rivers were on fire and smog was choking people in some cities.
A Theory of Dark Matter
Sep 08, 2009 |
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Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
Exerting better control over matter waves
Mar 27, 2009 |
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(PhysOrg.com) -- “The concept of matter waves is at the heart of quantum mechanics,” Oliver Morsch tells PhysOrg.com. “At the beginning of the last century, scientists discovered that solid particles could exhibit proper ...
Micro honeycomb materials enable new physics in aircraft sound reduction
Sep 29, 2008 |
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Noise from commercial and military jet aircraft causes environmental problems for communities near airports, obliging airplanes to follow often complex noise-abatement procedures on takeoff and landing. It ...
Could Exotic Matter Provide an Infinite Source of Energy?
Sep 15, 2009 |
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(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...
Single-Molecule Magnets Open New Door for Information Technology
Mar 09, 2009 |
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(PhysOrg.com) -- Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state. Their work is a first step toward a new generation ...
Article examines rare quantum physics effect
Sep 23, 2009 |
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(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 ...
