Search results for dispersive waves:
Supercontinuum generation and soliton dynamics milestone achieved
Nov 20, 2008 |
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A research team led by Fetah Benabid, University of Bath, has observed for the first time the simultaneous emission of two resonant dispersive waves by optical solitons (waves that maintain their shape while traveling at ...
Laser experiments reveal strange properties of superfluids
Dec 22, 2006 |
4 / 5 (28) |
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Princeton University electrical engineers are using lasers to shed light on the behavior of superfluids -- strange, frictionless liquids that are difficult to create and study. Their technique allows them to ...
Researchers develop world's fastest bar code reader
Sep 30, 2008 |
4.3 / 5 (19) |
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(PhysOrg.com) -- Building on a series of recent breakthroughs in ultrafast analog-to-digital conversion, UCLA engineers have designed a bar code reader that is nearly a thousand times faster than any device currently in use.
Broadband invisibility in the microwave range
Sep 11, 2009 |
3.9 / 5 (10) |
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(PhysOrg.com) -- In the series Star Trek, Klingons and Romulans have spaceships outfitted with cloaking devices that hide their presence from sight, as well as from the sensors of their rivals' spaceships. Unlike current invisi ...
Putting the Pressure on Iron-Based Superconductors
Mar 05, 2009 |
4.8 / 5 (9) |
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(PhysOrg.com) -- Traditionally, magnetism and superconductivity don't mix. For more than 20 years, the only known superconductors that worked at so-called "high" temperatures (above 30 K, or about -406 degrees ...
Researchers develop ultrafast oscilloscope on a chip
Nov 06, 2008 |
4.9 / 5 (9) |
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(PhysOrg.com) -- As photonics -- using beams of light in place of electricity for communications and computing -- becomes more common, engineers need new tools for troubleshooting. Now researchers at Cornell ...
Nuke test detectors might warn of tsunami
Oct 07, 2005 |
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Hydrophone stations in the world's oceans used to detect nuclear testing might help in an early warning system for tsunamis, say U.S. researchers.
Creating Highly Sought Magnetic Nanoparticles in One Step
May 02, 2008 |
4.1 / 5 (12) |
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Researchers from the University of Minnesota have demonstrated a one-step technique for producing a class of magnetic nanoparticles that could be used in everything from biomedical applications to data storage. ...
Engineers Closing the Gap Between High-Speed Data Transmission and Processing
Jan 27, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- Electrical engineers at the University of California, San Diego have achieved world-record speeds for real-time signal processing in an effort to meet ambitious goals set by the Defense Advanced ...
'Great speciators' explained: It's intrinsic
Biology /
Jan 26, 2009 |
4.3 / 5 (3) |
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New molecular research shows that birds within the family Zosteropidae—named white eyes for the feathers that frame their eyes—form new species at a faster rate than any other known bird. Remarkably, unlike ...
World's fastest camera relies on new type of imaging, takes 6 million frames per second
Apr 30, 2009 |
4.7 / 5 (23) |
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Ultrafast, light-sensitive video cameras are needed for observing high-speed events such as shockwaves, communication between living cells, neural activity, laser surgery and elements of blood analysis. To catch such elusive ...
New x-ray technique targets terrorists and tumours
Nov 29, 2007 |
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Scientists at The University of Manchester have developed a new x-ray technique that could be used to detect hidden explosives, drugs and human cancers more effectively.
Gold-palladium nanoparticles achieve greener, smarter production of hydrogen peroxide
Nanotechnology / Nanomaterials
Feb 19, 2009 |
4.3 / 5 (4) |
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Hydrogen peroxide is one of the world's most versatile and widely used chemicals. A powerful oxidizing agent, H2O2 is commonly used as a bleach, an antiseptic and a disinfectant.
How-to book published on laser beam-shaping applications
Physics /
Oct 27, 2005 |
3 / 5 (2) |
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Following up on their well-received first book, Laser Beam Shaping: Theory and Techniques, Sandia National Laboratories researchers Fred Dickey and Scott Holswade have edited (with David Shealy of the Univer ...
'Colossal' Magnetic Effect Under Pressure
Jun 05, 2009 |
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(PhysOrg.com) -- Millions of people today carry around pocket-sized music players capable of holding thousands of songs, thanks to the discovery 20 years ago of a phenomenon known as the “giant magnetoresistance ...
