News tagged with breakdown
'Molecular torch' between carbon nanotubes emits electroluminescence
(PhysOrg.com) -- A single molecule bridging a "broken" single-walled carbon nanotube (CNT) is barely visible through a powerful scanning electron microscope, but the precisely assembled system can act as a ...
Dec 20, 2010 |
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New nanoscale electrical phenomenon discovered
At the scale of the very small, physics can get peculiar. A University of Michigan biomedical engineering professor has discovered a new instance of such a nanoscale phenomenon -- one that could lead to faster, less expensive ...
May 18, 2010 |
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Digital Quantum Battery Could Boost Energy Density Tenfold
(PhysOrg.com) -- Physicists theorize that quantum phenomena could provide a major boost to batteries, with the potential to increase energy density up to 10 times that of lithium ion batteries. According to ...
Dec 22, 2009 |
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Storing a Lightning Bolt in Glass for Portable Power
(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 ...
May 05, 2009 |
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Gallium nitride transistor could replace silicon
(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.
Dec 08, 2009 |
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Rethinking Alzheimer's disease and its treatment targets
(PhysOrg.com) -- Psychiatry professor George Bartzokis introduces a new theory about the fundamental cause of Alzheimer's and other neurodegenerative diseases.
Medicine & Health / Neuroscience
Sep 22, 2009 |
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Graphene Shows High Current Capacity and Thermal Conductivity
(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, ...
Nanotechnology / Nanomaterials
Jul 29, 2009 |
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Researchers discover new antituberculosis compounds
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 ...
Medicine & Health / Medical research
Sep 16, 2009 |
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Colorful leaves: New chlorophyll decomposition product found in Norway maple
(PhysOrg.com) -- Autumn is right around the corner in the northern hemisphere and the leaves are beginning to change color. The cause of this wonderful display of reds, yellows, and oranges is the decomposition ...
Oct 10, 2011 |
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Disabling enzyme allows mice to gorge without becoming obese, new study finds
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 ...
Medicine & Health / Medical research
Jan 11, 2009 |
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Vacuum arcs spark new interest
Whenever two pieces of metal at different voltages are brought near each other, as when an appliance is plugged into a live socket, there is a chance there will be an arc between them. Most of the arcs people ...
Nov 08, 2010 |
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Atmospheric pressure plasma jet from a grounded electrode
Because they are portable and easy to operate at ambient temperatures, cold atmospheric pressure plasma jets (APPJs) should find innovative applications in biomedicine, materials science and fabrication industries. ...
Aug 24, 2010 |
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Muscle: 'Hard to build, easy to lose' as you age
(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 ...
Medicine & Health / Medical research
Sep 11, 2009 |
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Relationship breakdown - the real cost
Separation leaves men feeling isolated and women experiencing greater levels of poverty, according to a leading researcher at The University of Queensland (UQ).
Medicine & Health / Psychology & Psychiatry
Jul 07, 2010 |
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Google's openness intensifies focus on e-mail woes
(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.
Mar 12, 2009 |
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