News tagged with applied physics
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (64) |
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(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 ...
Scientists create first electronic quantum processor
Jun 28, 2009 |
4.8 / 5 (58) |
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A team led by Yale University researchers has created the first rudimentary solid-state quantum processor, taking another step toward the ultimate dream of building a quantum computer.
Researchers see exotic force for first time
Jan 07, 2009 |
4.8 / 5 (28) |
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(PhysOrg.com) -- For the first time, researchers have measured a long-theorized force that operates at distances so tiny they’re measured in billionths of a meter, which may have important applications in ...
Cheap, efficient white light LEDs new design
Apr 07, 2009 |
4.9 / 5 (26) |
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Roughly 20 percent of the electricity consumed worldwide is used to light homes, businesses, and other private and public spaces. Though this consumption represents a large drain on resources, it also presents ...
Smart Lighting: New LED Drops the 'Droop'
Jan 12, 2009 |
4.7 / 5 (22) |
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(PhysOrg.com) -- Researchers at Rensselaer Polytechnic Institute have developed and demonstrated a new type of light emitting diode (LED) with significantly improved lighting performance and energy efficiency.
Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
4.7 / 5 (17) |
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(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 ...
Tiny Music Player Made from Wire Bridge (w/ Video)
Nov 04, 2009 |
4.2 / 5 (18) |
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(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 ...
Flexible, transparent supercapacitors -- bend and twist them like a poker card
Mar 31, 2009 |
4.8 / 5 (15) |
10
It is a completely transparent and flexible energy conversion and storage device that you can bend and twist like a poker card.
Spin-polarized electrons on demand
Jan 15, 2009 |
4.6 / 5 (14) |
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Many hopes are pinned on spintronics. In the future it could replace electronics, which in the race to produce increasingly rapid computer components, must at sometime reach its limits. Different from electronics, where whole ...
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, ...
Physicists create first atomic-scale map of quantum dots
Sep 29, 2009 |
4.7 / 5 (13) |
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(PhysOrg.com) -- University of Michigan physicists have created the first atomic-scale maps of quantum dots, a major step toward the goal of producing "designer dots" that can be tailored for specific applications.
Scientists demonstrate laser with controlled polarization
Apr 13, 2009 |
3.7 / 5 (15) |
3
Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...
Researchers demonstrate 100-watt-level mid-infrared lasers
Dec 01, 2009 |
4.7 / 5 (12) |
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Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.
Wizard at circuits, physics
Dec 03, 2009 |
5 / 5 (11) |
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(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.
Can you see me now? Flexible photodetectors could help sharpen photos
Jan 13, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past. UW-Madison Electrical and Computer Engineering Associate Professor Zhenqiang (Jack) Ma and colleagues ...
