News tagged with waves
Scientists Develop New Method to Quantify Climate Modeling Uncertainty
Space & Earth / Earth Sciences
Oct 21, 2009 |
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(PhysOrg.com) -- Climate scientists recognize that climate modeling projections include a significant level of uncertainty. A team of researchers using computing facilities at Oak Ridge National Laboratory has identified ...
Hearing on the wing: New structure discovered in butterfly ears
Oct 21, 2009 |
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(PhysOrg.com) -- A clever structure in the ear of a tropical butterfly that potentially makes it able to distinguish between high and low pitch sounds has been discovered by scientists from the University ...
Smallest nanoantennas for high-speed data networks
Oct 20, 2009 |
3.3 / 5 (3) |
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More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
Company Introduces Novel Nanotechnology for Revolutionizing Imaging Using T-rays
Oct 20, 2009 |
4.3 / 5 (6) |
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Yissum Research Development Company of the Hebrew University of Jerusalem today announced that Professor L.D. Shvartsman and Professor B. Laikhtman, from the Racah Institute of Physics at the Hebrew University of Jerusalem, ...
Making monster waves
Oct 19, 2009 |
4.5 / 5 (6) |
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Rogue waves -- giant waves that spring up suddenly and tower over the seas around them—have inspired physicists to look for an analogue in light. These high-intensity pulses can cross large distances without ...
Astronomers seek to explore the cosmic Dark Ages
Oct 15, 2009 |
4.9 / 5 (9) |
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No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...
Action video game players experience diminished proactive attention
Medicine & Health / Psychology & Psychiatry
Oct 13, 2009 |
4.7 / 5 (3) |
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Video game players are often accused of passively reacting to tasks that are spoon fed to them through graphics and stimuli on the screen. A group of researchers from Iowa State University shows that playing lots of video ...
Rip currents pose greater risk to swimmers than to shoreline
Space & Earth / Earth Sciences
Oct 13, 2009 |
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Rip currents -- powerful, channeled currents of water flowing away from the shore -- represent a danger to human life and property. Rip currents are responsible for more than one hundred deaths on our nation's ...
Researchers fine-tune diffuse optical tomography for breast cancer screening
Oct 06, 2009 |
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Clemson University researchers in collaboration with researchers at the University of Bremen, Germany, are working to make the physical pain and discomfort of mammograms a thing of the past, while allowing for diagnostic ...
Wi-Fi signals can see through walls
Oct 05, 2009 |
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(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...
First light for BOSS -- a new kind of search for dark energy
Oct 01, 2009 |
4.3 / 5 (15) |
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BOSS, the Baryon Oscillation Spectroscopic Survey, is the most ambitious attempt yet to map the expansion history of the Universe using the technique known as baryon acoustic oscillation (BAO). A part of the ...
Special brain wave boost slows motion
Medicine & Health / Neuroscience
Oct 01, 2009 |
4.2 / 5 (5) |
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Researchers have found that they can make people move in slow motion by boosting one type of brain wave. The findings offer some of the first proof that brain waves can have a direct influence on behavior, ...
Warming, heat waves projected to grow worse with large regional variability
Space & Earth / Earth Sciences
Sep 30, 2009 |
2.2 / 5 (9) |
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(PhysOrg.com) -- While long-term projections call for higher temperatures and heat waves even more intense than previously thought, considerable geographic variability is also in the forecast, according to a study published ...
Rensselaer researchers to develop and test next-generation radar systems
Sep 30, 2009 |
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Researchers at Rensselaer Polytechnic Institute have received a grant for $792,000 from the U.S. Air Force to create a new laboratory for developing and testing next-generation radar systems that overcome ...
Floundering El Ninos Make for Fickle Forecasts
Space & Earth / Earth Sciences
Sep 29, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Since May 2009, the tropical Pacific Ocean has switched from a cool pattern of ocean circulation known as La Niña to her warmer sibling, El Niño. This cyclical warming of the ocean waters ...
