News tagged with applied physics
Gallium nitride transistor could replace silicon
19 hours ago |
4.6 / 5 (25) |
5
(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.
Wizard at circuits, physics
Dec 03, 2009 |
5 / 5 (13) |
0
(PhysOrg.com) -- Donhee Ham, Gordon McKay Professor of Electrical Engineering and Applied Physics, uses his personal energy and understanding of physics to design innovative integrated circuits.
Researchers demonstrate 100-watt-level mid-infrared lasers
Dec 01, 2009 |
4.7 / 5 (12) |
0
Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Scientists demonstrate multibeam, multi-functional lasers
Nov 30, 2009 |
4.4 / 5 (7) |
0
An international team of applied scientists from Harvard, Hamamatsu Photonics, and ETH Zürich have demonstrated compact, multibeam, and multi-wavelength lasers emitting in the invisible part of the light spectrum ...
Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
4.7 / 5 (18) |
0
(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
4.4 / 5 (9) |
0
(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
Nanotube defects equal better energy and storage systems
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.5 / 5 (11) |
2
(PhysOrg.com) -- Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by UC San Diego engineers could lead to carbon ...
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (64) |
9
(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
New nanocrystalline diamond probes overcome wear
Nov 10, 2009 |
4.3 / 5 (3) |
0
Researchers at the McCormick School of Engineering and Applied Science at Northwestern University have developed, characterized, and modeled a new kind of probe used in atomic force microscopy (AFM), which images, measures, ...
Materials scientists find better model for glass creation
Nov 04, 2009 |
3.6 / 5 (7) |
0
(PhysOrg.com) -- Harvard materials scientists have come up with what they believe is a new way to model the formation of glasses, a type of amorphous solid that includes common window glass.
Tiny Music Player Made from Wire Bridge (w/ Video)
Nov 04, 2009 |
4.2 / 5 (18) |
1
(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...
Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies
Oct 28, 2009 |
4.1 / 5 (11) |
4
(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...
New Twist on Favorite X-ray Technique Promises Ultrafast Molecular Studies
Oct 12, 2009 |
4 / 5 (5) |
1
(PhysOrg.com) -- A team of physicists from the Stanford Synchrotron Radiation Lightsource, including graduate student David Bernstein, have made a promising discovery that a well-known synchrotron technique ...
Nanotechnology gets a new light touch
Oct 02, 2009 |
4.9 / 5 (8) |
0
(PhysOrg.com) -- Building the super-fast computers of the future has just become much easier thanks to an advance by Australian researchers that lets them grab hold of tiny electronics components and probe ...
Why they grow? Getting to the roots of lethal metal whiskers
Sep 29, 2009 |
4.6 / 5 (10) |
2
(PhysOrg.com) -- A short circuit can be quite hairy: satellites have failed, a NASA computer centre was repeatedly paralysed and the US public heath authority recalled thousands of pacemakers - all because ...
