News tagged with power loss
Fujitsu Develops World's First Gallium-Nitride HEMT for Power Supply
Jun 24, 2009 |
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Fujitsu Laboratories today announced the development of a new structure for gallium-nitride high electron-mobility transistors (GaN)(HEMT) that can minimize power loss in power supplies, thus enabling reduced ...
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Gallium nitride transistor could replace silicon
Dec 08, 2009 |
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(PhysOrg.com) -- A Cornell researcher has created an extremely efficient transistor made from gallium nitride, which may soon replace silicon as king of semiconductors for power applications.
Japan's Hitachi posts first-quarter loss
Jul 28, 2009 |
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Japanese high-tech giant Hitachi announced Tuesday a net loss of 82.7 billion yen (870 million dollars) for the fiscal first quarter with sales down heavily amid the economic downturn.
Children and teenagers at risk for noise-induced hearing loss
Apr 30, 2009 |
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Children and teenagers are frequently exposed to potentially damaging noise levels in schools, at home, and in sports, but there has been little reported on their risk for noise-induced hearing loss. In fact, three million ...
When the neighbor's noise makes its way through the walls
Nov 06, 2008 |
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Manufacturers of partition walls will possibly have to think further ahead in future than they have up to now: Christoph Kling shows in his dissertation at the Physikalisch-Technische Bundesanstalt (Germany) that the repercussion ...
Why Weight Watchers succeeds: Meetings provide a blend of spirituality and therapy
Other Sciences / Social Sciences
Aug 24, 2009 |
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Weight Watchers is the world's largest support group, with more than 1.5 million members worldwide. What makes overweight consumers turn to this organization for help? A new study in the Journal of Consumer Research says d ...
Atmospheric engineering scheme to combat global warming could diminish solar power
Apr 20, 2009 |
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A widely discussed "atmospheric engineering" scheme intended to combat global warming could have unanticipated consequences in reducing the effectiveness of certain kinds of solar power around the Earth, a new study has concluded. ...
Roadrunner supercomputer models nonlinear physics of high-power lasers
Oct 28, 2009 |
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For years scientists have struggled with the difficult physics of inertial confinement fusion. This is the attempt to compress a target capsule containing isotopes of hydrogen with high-powered lasers to high enough pressure ...
Sun absorbs $147M loss as Oracle deal looms
Aug 29, 2009 |
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(AP) -- Sun Microsystems Inc. recorded a $147 million loss while sales eroded 31 percent in the April-June period, likely the server and software maker's last full quarter as an independent company.
Japan's Toshiba still in red
Jul 29, 2009 |
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Japanese high-tech giant Toshiba said Wednesday it had lost more than 600 million dollars in the fiscal first quarter as the economic downturn hit sales of televisions and other electronics.
Buyer beware: Estrogen supplements not as effective as claimed
Sep 02, 2009 |
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Dietary supplements claiming to help postmenopausal women with bone health may not be doing what they say, according to new research from Purdue University.
List of search results for power loss
