News tagged with wave energy
Astrophysicists discover new heating source in cosmological structure formation
(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies ...
May 15, 2012 |
4.1 / 5 (11) |
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Spain the dunces in international science test
Spaniards came bottom of the class in an 11-nation science test and nearly half of them could not name a single important scientist in history, a survey showed Tuesday.
Other Sciences / Social Sciences
May 08, 2012 |
5 / 5 (1) |
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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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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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Listening to the radio even with an electric drive
To enable radio reception in electric vehicles, manufacturers must install filters and insulate cables, since electrical signals will otherwise interfere with music and speech transmissions. Now, using new ...
Apr 02, 2012 |
5 / 5 (1) |
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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 |
4 / 5 (19) |
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Capsizing icebergs release earthquake-sized energies
A large iceberg can carry a large amount of gravitational potential energy. While all icebergs float with the bulk of their mass submerged beneath the water's surface, some drift around with precarious orientations-they are ...
Space & Earth / Earth Sciences
Mar 02, 2012 |
4.8 / 5 (4) |
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Scottish leader boasts of green energy potential
An independent Scotland would be able to get rich on renewable energy sector revenues, First Minister Alex Salmond insisted Wednesday.
Technology / Energy & Green Tech
Feb 15, 2012 |
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Boost for wave energy: half the Wave Hub berths now filled
Two of the four berths at an EU-funded grid-connected offshore marine-energy test site have now been filled. Wave Hub, located off the Cornish coast in the United Kingdom, is the largest test site of its type in the world. ...
Technology / Energy & Green Tech
Feb 15, 2012 |
5 / 5 (2) |
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Rap music powers rhythmic action of medical sensor
(PhysOrg.com) -- The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.
Jan 26, 2012 |
4.2 / 5 (5) |
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UN scientist: fighting climate change saves costs
(AP) -- The U.N.'s top climate scientist cautioned climate negotiators Wednesday that global warming is leading to human dangers and soaring financial costs, but containing carbon emissions will have a host ...
Nov 30, 2011 |
3.7 / 5 (3) |
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Robotic boats to travel across Pacific Ocean
(PhysOrg.com) -- Last Thursday, November 17, four unmanned Wave Gliders left the coast of San Francisco and began a 300-day journey across the Pacific Ocean. The vehicles, which are self-propelled and remotely ...
Nov 21, 2011 |
4.7 / 5 (10) |
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Researchers adapt classic antennas to harness more power from the sun
Some solar devices, like calculators, only need a small panel of solar cells to function. But supplying enough power to meet all our daily needs would require enormous solar panels. And solar-powered energy collected by panels ...
Nov 10, 2011 |
4.1 / 5 (7) |
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NASA's Fermi finds youngest millisecond pulsar, 100 pulsars to date
An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
Nov 04, 2011 |
4.3 / 5 (6) |
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Rethinking equilibrium: In nature, large energy fluctuations may rile even 'relaxed' systems
An international research team led by the University at Buffalo has shown that large energy fluctuations can rile even a "relaxed" system, raising questions about how energy might travel through structures ranging from the ...
Oct 31, 2011 |
4.8 / 5 (5) |
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