News tagged with resonator
Coke cans focus sound waves beyond the diffraction limit
(PhysOrg.com) -- When trying to focus sound waves into as small an area as possible, scientists run into a fundamental limit called the diffraction limit. That is, when sound waves are focused into a region ...
Jul 12, 2011 |
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Lightning-made waves in Earth's atmosphere leak into space
At any given moment about 2,000 thunderstorms roll over Earth, producing some 50 flashes of lightning every second. Each lightning burst creates electromagnetic waves that begin to circle around Earth captured ...
Space & Earth / Space Exploration
Nov 29, 2011 |
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Bring in the (nano) noise
(PhysOrg.com) -- At the forefront of nanotechnology, researchers design miniature machines to do big jobs, from treating diseases to harnessing sunlight for energy. But as they push the limits of this technology, ...
May 27, 2011 |
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After 50 year search, research team finds plutonium signature
(Phys.org) -- After fifty years of trying by various researchers, a group made up of teams from Los Alamos National Libratory in the US and the Atomic Energy Agency in Japan, have succeeded in spotting the ...
May 18, 2012 |
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New study may lead to MRIs on a nanoscale
(PhysOrg.com) -- Magnetic resonance imaging (MRI) on the nanoscale and the ever-elusive quantum computer are among the advancements edging closer toward the realm of possibility, and a new study co-authored ...
Feb 23, 2012 |
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New method to examine batteries -- MRI from the inside
There is an ever-increasing need for advanced batteries for portable electronics, such as phones, cameras, and music players, but also to power electric vehicles and to facilitate the distribution and storage of energy derived ...
Chemistry / Analytical Chemistry
Feb 12, 2012 |
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Quantum error correction in solid state processing
(PhysOrg.com) -- "Liquid state Nuclear Magnetic Resonance (NMR) has been successful for quantum information processing,” Osama Moussa tells PhysOrg.com. “However, there are some questions about scalability and ot ...
Nov 16, 2011 |
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Major US atom-smasher closes after 25 years (Update)
A powerful US atom-smasher that was the world's biggest particle collider for nearly a quarter-century closed forever on Friday, solidifying Europe's place as the world leader in physics. ...
Sep 30, 2011 |
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New insights on an old polymer material, Nafion, will enable design of better batteries
Designing new materials depends upon understanding the properties of today's materials. One such material, Nafion, is a polymer that efficiently conducts ions (a polymer electrolyte) and water through its ...
Jun 19, 2011 |
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Finnish team devise nanomechanical microwave amplifier with near least possible noise generation
(PhysOrg.com) -- A team of Finnish physicists has developed a novel way to amplify a microwave signal that unlike other amplifiers, produces noise that is just barely above that which is necessary due to the ...
Dec 15, 2011 |
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A smarter way to make ultraviolet light beams
Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption ...
Nov 29, 2011 |
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Getting in tune: Researchers solve tuning problem for wireless power transfer systems
Researchers from North Carolina State University have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric ...
May 15, 2012 |
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MSU chemists become the first to solve an 84-year-old theory
The same principle that causes figure skaters to spin faster as they draw their arms into their bodies has now been used by Michigan State University researchers to understand how molecules move energy around following the ...
Dec 22, 2011 |
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Monkeys with larger friend networks have more gray matter
New research in the UK on rhesus macaque monkeys has found for the first time that if they live in larger groups they develop more gray matter in parts of the brain involved in processing information on social ...
Other Sciences / Social Sciences
Nov 04, 2011 |
4.3 / 5 (6) |
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Prolonged space travel causes brain and eye abnormalities in astronauts
Magnetic resonance imaging (MRI) of the eyes and brains of 27 astronauts who have spent prolonged periods of time in space revealed optical abnormalities similar to those that can occur in intracranial hypertension of unknown ...
Space & Earth / Space Exploration
Mar 13, 2012 |
4.3 / 5 (6) |
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