News tagged with breakdown
Gallium nitride transistor could replace silicon
Dec 08, 2009 |
4.7 / 5 (36) |
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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.
Blue bananas: Ripening bananas glow an intense blue under black light
Oct 17, 2008 |
3.8 / 5 (37) |
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(PhysOrg.com) -- Ripe bananas are of course yellow. However, under black light, the yellow bananas are bright blue, as discovered by scientists at the University of Innsbruck (Austria) and Columbia University ...
Storing a Lightning Bolt in Glass for Portable Power
May 05, 2009 |
4 / 5 (21) |
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(PhysOrg.com) -- Materials researchers at Penn State University have reported the highest known breakdown strength for a bulk glass ever measured. Breakdown strength, along with dielectric constant, determines ...
Disabling enzyme allows mice to gorge without becoming obese, new study finds
Jan 11, 2009 |
5 / 5 (13) |
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Researchers at the University of California, Berkeley, have identified a new enzyme that plays a far more important role than expected in controlling the breakdown of fat. In a new study to be published Jan. 11 in the journal ...
Graphene Shows High Current Capacity and Thermal Conductivity
Nanotechnology / Nanomaterials
Jul 29, 2009 |
4.9 / 5 (13) |
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(PhysOrg.com) -- Recent research into the properties of graphene nanoribbons provides two new reasons for using the material as interconnects in future computer chips. In widths as narrow as 16 nanometers, ...
Muscle: 'Hard to build, easy to lose' as you age
Sep 11, 2009 |
5 / 5 (12) |
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(PhysOrg.com) -- Have you ever noticed that people have thinner arms and legs as they get older? As we age it becomes harder to keep our muscles healthy. They get smaller, which decreases strength and increases the likelihood ...
Researchers discover new antituberculosis compounds
Sep 16, 2009 |
4.9 / 5 (7) |
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Attempts to eradicate tuberculosis (TB) are stymied by the fact that the disease-causing bacteria have a sophisticated mechanism for surviving dormant in infected cells. Now, a team of scientists led by researchers from Weill ...
Fujitsu Develops World's First GaN HEMT Able to Cut Power in Standby Mode and Achieve High Output
Oct 10, 2008 |
5 / 5 (5) |
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Fujitsu today announced the development of a new type of gallium nitride (GaN)-based high electron mobility transistor (HEMT) that features a new structure ideal for use in amplifiers for microwave and millimeter-wave ...
Rethinking Alzheimer's disease and its treatment targets
Medicine & Health / Neuroscience
Sep 22, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Psychiatry professor George Bartzokis introduces a new theory about the fundamental cause of Alzheimer's and other neurodegenerative diseases.
Coroner: Self-help course led to woman's suicide
Dec 08, 2009 |
5 / 5 (3) |
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(AP) -- An Australian coroner said Tuesday that participation in an intense self-help course led a woman to suffer a psychotic breakdown before she stripped naked and leaped to her death from an office window ...
Old Cells Work Differently
Mar 01, 2009 |
4.3 / 5 (3) |
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The agglutination and accumulation of proteins in nerve cells are major hallmarks of age-related neurodegenerative illnesses such as Alzheimer's disease. Cellular survival thus depends on a controlled removal of excessive ...
Accelerated bone turnover remains after weight loss
Jul 28, 2008 |
3.5 / 5 (2) |
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When a person is losing a significant amount of weight, they expect to notice changes in their body. However, they may overlook changes happening in their bones. During weight loss through calorie-restricted diets, bones ...
Polarizers may enhance remote chemical detection
Chemistry / Analytical Chemistry
Mar 11, 2009 |
5 / 5 (1) |
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Chemists can analyze the composition of a suspected bomb -- without actually touching and possibly detonating it -- using a technique called laser-induced breakdown spectroscopy, or LIBS. The tool is also commonly used for ...
Google's openness intensifies focus on e-mail woes
Mar 12, 2009 |
4 / 5 (1) |
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(AP) -- Google Inc.'s recent pledge to be more open about periodic service outages appears to be drawing more attention to the breakdowns when they occur, even if it's a minor hiccup affecting a sliver of its users.
ORNL, Los Alamos pioneer new approach to assist scientists, farmers
Nov 19, 2009 |
3 / 5 (1) |
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Sustainable farming, initially adopted to preserve soil quality for future generations, may also play a role in maintaining a healthy climate, according to researchers at the Department of Energy's Oak Ridge and Los Alamos ...
