News tagged with wave motion
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 |
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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) |
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Surfboard-sized drones crossing pacific to monitor sea surface
Hundreds of miles off the California coast, four drones about the size of surfboards and are tossing across the Pacific toward Hawaii, controlled by pilots on shore.
Space & Earth / Earth Sciences
Jan 18, 2012 |
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A 50-year quest to isolate the thermoelectric effect is now over: Magnon drag unveiled
In a paper published in Nature Materials, a group of researchers at the Catalan Institute of Nanotechnology (ICN, Spain) led by Prof. Sergio O. Valenzuela reports the observation of the magnon drag. This w ...
Dec 18, 2011 |
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Scientists track motions of shifting plates using GPS sensors
The Pacific Northwest is a restless place. The ground is being shoved by tectonic plates. Snow-capped volcanoes inflate and deflate in concert with the creep of molten rock. Coastlines bulge as tension builds on an offshore ...
Space & Earth / Earth Sciences
Jun 07, 2011 |
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Scientists Investigate Cause of 'Singing Dunes'
(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
Dec 15, 2009 |
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Could Exotic Matter Provide an Infinite Source of Energy?
(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 ...
Sep 15, 2009 |
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Study Reveals Small Lizard Tucks Legs and Swims Like a Snake Through Desert Sand (w/ Video)
(PhysOrg.com) -- A study published in the July 17 issue of the journal Science details how sandfish -- small lizards with smooth scales -- move rapidly underground through desert sand. In this first thorou ...
Jul 16, 2009 |
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