News tagged with radiation wave
Glancing blow from a comet could create amino acids
(PhysOrg.com) -- Amino acids are markers for potential life since they are the building blocks of proteins. Now scientists in California have for the first time found the shock wave created when a comet has ...
Apr 01, 2010 |
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The rhythm of our star
When we look at the Sun we cannot penetrate beyond its outer surface, the photosphere, which emits the photons that make up the radiation we can see. So how can we find out what is inside it?
Feb 15, 2010 |
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Scientists turn light into electrical current using a golden nanoscale system
Material scientists at the Nano/Bio Interface Center of the University of Pennsylvania have demonstrated the transduction of optical radiation to electrical current in a molecular circuit. The system, an array ...
Feb 12, 2010 |
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Flipping a photonic shock wave
A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...
Nov 02, 2009 |
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Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)
During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...
Oct 28, 2009 |
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Golden Nanotubes Detect Tumor Cells, Map Sentinel Lymph Nodes
(PhysOrg.com) -- Biomedical researchers at the University of Arkansas in Fayetteville and the University of Arkansas for Medical Sciences (UAMS) in Little Rock have developed a special contrast-imaging agent made of gold-coated ...
Nanotechnology / Bio & Medicine
Sep 24, 2009 |
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A Theory of Dark Matter
Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
Sep 08, 2009 |
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GEMS mission to explore the polarized universe
An exciting new astrophysics mission led by NASA's Goddard Space Flight Center in Greenbelt, Md., will provide a revolutionary window into the universe. Named the Gravity and Extreme Magnetism Small Explorer ...
Space & Earth / Space Exploration
Aug 04, 2009 |
4.6 / 5 (10) |
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Quantum goes massive
(PhysOrg.com) -- An astrophysics experiment in America has demonstrated how fundamental research in one subject area can have a profound effect on work in another as the instruments used for the Laser Interferometer ...
Jul 16, 2009 |
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First acoustic metamaterial 'superlens' created
A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
Jun 24, 2009 |
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QUIET team to deploy new gravity-wave probe in June
A tiny fraction of a second following the big bang, the universe allegedly experienced the most inflationary period it has ever known.
May 15, 2009 |
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THEMIS: 'Singing' electrons help create and destroy 'killer' electrons
Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
May 07, 2009 |
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Dissecting a stellar explosion
(PhysOrg.com) -- Integral has captured one of the brightest gamma-ray bursts ever seen. A meticulous analysis of the data has allowed astronomers to investigate the initial phases of this giant stellar explosion, ...
Apr 03, 2009 |
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New aerosol observing technique turns gray skies to blue (w/Video)
(PhysOrg.com) -- Tiny, ubiquitous particles in the atmosphere may play a profound role in regulating global climate. But the scientists who study these particles -- called aerosols -- have long struggled to ...
Space & Earth / Earth Sciences
Mar 12, 2009 |
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