News tagged with kinetic energy
Wind farms lift the temperature in their region
Wind turbines can modify the local climate by warming the atmosphere, according to a study that revealed an increase in temperature of 0.72 degrees over a region of Texas where four large wind farms have been ...
Technology / Energy & Green Tech
Apr 30, 2012 |
3.3 / 5 (12) |
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New detector design improves gamma-ray measurements
(Phys.org) -- In the pursuit of precision measurements, nothing is simple, even when the apparatus employed appears to be utterly uncomplicated. An instructive case in point is the new ionization chamber used ...
Apr 06, 2012 |
5 / 5 (4) |
0
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Graphene battery demonstrated to power an LED
(PhysOrg.com) -- Scientists in Hong Kong have reported, in ArXiv, their experiments to make a graphene battery that they say generates an electrical current by drawing on the ambient thermal energy in the sol ...
Nanotechnology / Nanomaterials
Mar 16, 2012 |
4.1 / 5 (25) |
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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) |
0
Increasing rainfall may affect winds: study
(PhysOrg.com) -- Falling raindrops produce friction as they drop through the atmosphere to the ground, and this dissipates the kinetic energy, converting it into diffuse heat. Now researchers in the US have ...
Space & Earth / Earth Sciences
Feb 24, 2012 |
4.8 / 5 (8) |
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Time crystals could behave almost like perpetual motion machines
(PhysOrg.com) -- As every young science student knows, moving objects have kinetic energy. But just how much energy does something need to move? In a new study, a pair of physicists has shown that it’s ...
Feb 20, 2012 |
4.7 / 5 (34) |
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NASA Goddard spacecraft cleanroom goes green
When it launches in 2014, NASA's new Magnetospheric Multiscale (MMS) mission will give scientists unprecedented insights into a little-understood physical process at the heart all space weather. This process, ...
Space & Earth / Space Exploration
Jan 14, 2012 |
3 / 5 (4) |
0
Fingerprinting uranium: X-rays identify mobile, stationary forms of atomic pollutant
(PhysOrg.com) -- Determining if uranium will zip through the soil or not is easier now, thanks to scientists at Pacific Northwest National Laboratory and the University of North Texas. Dr. Eugene Ilton and ...
Chemistry / Analytical Chemistry
Dec 19, 2011 |
5 / 5 (2) |
0
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Speed-bump device converts traffic energy to electricity
(PhysOrg.com) -- The two little words "speed bump" usually evoke unpleasant memories of spilled coffee and back-seat arguments questioning if and where you learned how to drive. In some green energy circles, ...
Technology / Energy & Green Tech
Nov 09, 2011 |
4.3 / 5 (4) |
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Part II: The energy that drives the stars - different technologies for unique demands
(PhysOrg.com) -- Berkeley Lab, a partner in the Heavy Ion Fusion Sciences Virtual National Laboratory (HIFS VNL) with Lawrence Livermore and the Princeton Plasma Physics Laboratory, has been a leader in developing ...
Oct 28, 2011 |
5 / 5 (2) |
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Did intense magnetic fields form shortly after the Big Bang?
Intense magnetic fields were probably generated in the universe shortly after the Big Bang, according to an international team led by Christoph Federrath and Gilles Chabrier of the CRAL (Centre de Recherche ...
Sep 13, 2011 |
5 / 5 (3) |
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NASA plans to visit a near-Earth asteroid
In a few years a NASA spacecraft will seek the building blocks of life in a shovelful of asteroid dirt. The OSIRIS-REx spacecraft, targeted for launch in September 2016, will intercept asteroid 1999 RQ36, orbit it for a year, ...
Space & Earth / Space Exploration
Aug 17, 2011 |
5 / 5 (4) |
0
Movement of black holes powers the universe's brightest lights
Whether on their own or orbiting as a pair, black holes don't typically sit still.
Jul 20, 2011 |
4.2 / 5 (6) |
5
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Raiders of the lost amp
Energy harvesting is a process that captures energy that would otherwise be lost as heat, light, sound, vibration or motion. It can use this captured energy to improve the efficiency of existing systems or even to power new ...
Jul 05, 2011 |
2 / 5 (1) |
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Oh-My-God Particles
Cosmic rays are really sub-atomic particles, being mainly protons (hydrogen nuclei) and occasionally helium or heavier atomic nuclei and very occasionally electrons. Cosmic ray particles are very energetic ...
Jun 13, 2011 |
4.4 / 5 (15) |
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