News tagged with waves
Does the quantum wave function represent reality?
(Phys.org) -- At the heart of quantum mechanics lies the wave function, a probability function used by physicists to understand the nanoscale world. Using the wave function, physicists can calculate a system's ...
Apr 25, 2012 |
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Mechanical motion rectifier leads to better energy harvesting
(Phys.org) -- Mechanical energy is all around us, whether in the form of a vehicle's vibrations, ocean waves, or vibrating train tracks. However, much of this energy is irregular and oscillatory - for example, road bumps ...
Apr 25, 2012 |
4.9 / 5 (9) |
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Tall water waves behave unexpectedly
(PhysOrg.com) -- In investigating the behavior of large-amplitude standing water waves, mathematician Jon Wilkening of the University of California, Berkeley, has discovered that the waves’ behavior cannot ...
Nov 15, 2011 |
4.8 / 5 (18) |
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Giant black hole kicked out of home galaxy
(Phys.org) -- Astronomers have found strong evidence that a massive black hole is being ejected from its host galaxy at a speed of several million miles per hour. New observations from NASA's Chandra X-ray ...
7 hours ago |
5 / 5 (10) |
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Soviet find of water on the Moon in the 1970s ignored by the West
(Phys.org) -- In August 1976 Luna 24 landed on the moon and returned to Earth with samples of rocks, which were found to contain water, but this finding was ignored by scientists in the West.
Space & Earth / Space Exploration
Jun 01, 2012 |
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Mathematicians can conjure matter waves inside an invisible hat
Invisibility, once the subject of magic or legend, is slowly becoming reality. Over the past five years mathematicians and other scientists have been working on devices that enable invisibility cloaks – ...
May 29, 2012 |
5 / 5 (8) |
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New Interstellar Boundary Explorer data show heliosphere's long-theorized bow shock does not exist
For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three ...
Space & Earth / Space Exploration
May 10, 2012 |
4.8 / 5 (17) |
3
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Folding light: Wrinkles and twists boost power from solar panels
Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.
Apr 27, 2012 |
4.9 / 5 (15) |
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Graphene found to emit infrared light
(Phys.org) -- Ever since its discovery in 2004, graphene, the honey-comb arranged sheet of one atom thick carbon atoms, has continued to make waves in both the physics and engineering worlds. Now comes news ...
Nanotechnology / Nanomaterials
Apr 26, 2012 |
4.5 / 5 (15) |
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No-photon laser: Physicists demonstrate 'superradiant' laser design
Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...
Apr 04, 2012 |
4.9 / 5 (14) |
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Nanoscale magnetic media diagnostics by rippling spin waves
Memory devices based on magnetism are one of the core technologies of the computing industry, and engineers are working to develop new forms of magnetic memory that are faster, smaller, and more energy efficient ...
Apr 03, 2012 |
4.8 / 5 (6) |
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When dark energy turned on (Update)
(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...
Mar 30, 2012 |
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Cassini spies wave rattling jet stream on Jupiter
(PhysOrg.com) -- New movies of Jupiter are the first to catch an invisible wave shaking up one of the giant planet's jet streams, an interaction that also takes place in Earth's atmosphere and influences the ...
Space & Earth / Space Exploration
Mar 13, 2012 |
4.8 / 5 (4) |
0
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Maglev track could launch spacecraft into orbit
(PhysOrg.com) -- With the aim to make it easier to launch spacecraft into low Earth orbit (LEO), two researchers have turned to maglev technology to catapult a payload hundreds of miles above the Earth. While ...
Space & Earth / Space Exploration
Mar 13, 2012 |
4.4 / 5 (58) |
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Pasta-shaped radio waves beamed across Venice
A group of Italian and Swedish researchers appears to have solved the problem of radio congestion by cleverly twisting radio waves into the shape of fusilli pasta, allowing a potentially infinite number of channels to be ...
Mar 02, 2012 |
4.8 / 5 (36) |
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