News tagged with low frequencies
Slip-and-slide power generators
Researchers from Vestfold University College in Norway have created a simple, efficient energy harvesting device that uses the motion of a single droplet to generate electrical power.
May 24, 2012 |
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Physicists mix two lasers to create light at many frequencies
A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors. By aiming high- and low-frequency laser beams at a semiconductor, the researchers caused electrons to be ...
Mar 28, 2012 |
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Planck instrument loses its cool
(PhysOrg.com) -- After an impressive two and a half years of operation, Planck's High Frequency Instrument has finally exhausted its onboard coolant gases and reached the end of its very successful mission. ...
Space & Earth / Space Exploration
Jan 17, 2012 |
4.7 / 5 (11) |
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New nanogenerator may charge iPods and cell phones with a wave of the hand
Imagine if all you had to do to charge your iPod or your BlackBerry was to wave your hand, or stretch your arm, or take a walk? You could say goodbye to batteries and never have to plug those devices into ...
Mar 26, 2009 |
4.3 / 5 (18) |
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Research may yield more compact antennas for military use
(PhysOrg.com) -- While tall, bulky antennas seem like relics in an era of sleek, modern smartphones, they're still an unfortunate necessity for American soldiers.
Dec 12, 2011 |
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