When lightning strikes from a towering cumulonimbus cloud down to the ground, the electrical discharge can perturb the atmosphere's electric field, potentially triggering a second event-sprite discharge. This more elusive ...
Earth Sciences
Dec 18, 2012
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A pioneering use of mini-trampolines is allowing engineers to better understand effects of vibrations caused by human movement on floors and small bridges.Â
Engineering
Nov 16, 2012
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(Phys.org)—Researchers at the University of Southampton have developed a model which explains how the spin of a pulsar slows down as the star gets older.
Astronomy
Oct 9, 2012
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Fujitsu Semiconductor today announced the release of MB39C326, a DC-DC converter for mobile devices. By automatic step-up/down switching mode, its range of power supply voltage can be expanded. MB39C326 contains an oscillation ...
Electronics & Semiconductors
Jul 23, 2012
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(Phys.org) -- Technology originally developed to track badgers underground could soon be used to locate people in an emergency situation such as a bomb attack or earthquake.
Engineering
Jun 12, 2012
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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.
General Physics
May 24, 2012
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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 ripped from their ...
Optics & Photonics
Mar 28, 2012
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(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. Meanwhile the ...
Space Exploration
Jan 17, 2012
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(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.
Engineering
Dec 12, 2011
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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 a power source again.
Nanophysics
Mar 26, 2009
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