The researchers discovered that a rainforest vine, pollinated by bats, has evolved dish-shaped leaves with such conspicuous echoes that nectar-feeding bats can find its flowers twice as fast by echolocation. The study is ...
Plants & Animals
Jul 28, 2011
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Two University of Pennsylvania engineers have proposed the possibility of two-dimensional metamaterials. These one-atom-thick metamaterials could be achieved by controlling the conductivity of sheets of graphene, which is ...
Nanomaterials
Jun 9, 2011
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At the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) meeting this week, American researchers are unveiling a new tool for detecting illegal nuclear explosions: the Earth's global positioning system (GPS).
Earth Sciences
Jun 7, 2011
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Healing for horses has gone portable.
Other
Jun 2, 2011
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(PhysOrg.com) -- Acoustic engineers have for years been tinkering with the idea of using pulse recognition as a means for interacting with machines, but until now, little progress has been made in converting such ideas into ...
Noise pollution in the oceans has been shown to cause physical and behavioral changes in marine life, especially in dolphins and whales, which rely on sound for daily activities. However, low frequency sound produced by large ...
Ecology
Apr 11, 2011
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Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, avoiding ...
General Physics
Apr 4, 2011
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(PhysOrg.com) -- Stealth is a trait that few of us posses naturally. Most of us are really kind of obvious as we walk down the street or sashay through the halls of the office. That is why people who are trying to be sneaky ...
(PhysOrg.com) -- A two-year-old Air Force Office of Scientific Research Multidisciplinary University Research Initiative effort involving the University of Michigan, Stanford University, Brown University, and the University ...
Nanophysics
Mar 14, 2011
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Austrian and German researchers at the University of Vienna and Technische Universitaet Muenchen have solved a long-standing problem in the design of mechanical resonators: the numerical prediction of the design-limited damping. ...
Quantum Physics
Mar 8, 2011
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