News tagged with radiation wave
Surfboard-sized drones crossing pacific to monitor sea surface
Hundreds of miles off the California coast, four drones about the size of surfboards and are tossing across the Pacific toward Hawaii, controlled by pilots on shore.
Space & Earth / Earth Sciences
Jan 18, 2012 |
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Cellphone cancer warning falls lightly on US ears
(AP) -- News last week that an arm of the World Health Organization said cellphones might raise the risk of brain cancer has been greeted by Americans mostly with a shrug of the shoulder - one that's pinning ...
Jun 06, 2011 |
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UK advice on sun creams 'not in the interests of public health,' warns DTB
The strength of sun cream recently recommended by the National Institute for Health and Clinical Excellence (NICE) to stave off sunburn is far too low and "not in the interests of public health," warns the Drug and Therapeutics Bu ...
Jun 01, 2011 |
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Chemists develop technique to use light to predict molecular crystal structures
A Syracuse University chemist has developed a way to use very low frequency light waves to study the weak forces (London dispersion forces) that hold molecules together in a crystal. This fundamental research could be applied ...
Mar 23, 2011 |
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A breakthrough for terahertz semiconductor lasers
(PhysOrg.com) -- Potential applications, says an engineering professor, include disease diagnosis and detection of concealed explosives.
Jan 13, 2011 |
3.5 / 5 (11) |
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Astronomers probe ancient radio waves for clues about the universe's first light
In the beginning, there was no light.
Jan 13, 2011 |
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Scientists use light signatures to track merging supermassive black holes
Scientists pursuing supermassive black holes suspect that these giants merge somewhere in the universe roughly once a year, but they don't know how to find them. They think the evidence is hidden in the powerful gravitational ...
Nov 08, 2010 |
4.6 / 5 (5) |
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Imitation black hole seen on earth
Astrophysics deals mostly with things that are so distant -- thousands or billions of light years away -- that we can't ever hope to see them up close. But clever scientists can do the next best thing to making ...
Sep 30, 2010 |
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Going live to the beating heart
German scientists succeed in filming organs and joints in real time using magnetic resonance imaging.
Aug 30, 2010 |
5 / 5 (1) |
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Radio Waves: Alternative Power Source
(PhysOrg.com) -- Researchers at Duke University are harvesting ambient radio waves to power small microprocessor devices that consume very little energy. Devices such as sensors that monitor critical environmental ...
Jul 20, 2010 |
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Planck Mission: Space Probe Peers Into Dark Cosmos
(PhysOrg.com) -- Imagine watching the birth of the universe -- the Big Bang -- from the outside. What would you have seen?
Jun 10, 2010 |
4.3 / 5 (16) |
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Probing the dark side of the universe
Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...
May 20, 2010 |
4.6 / 5 (15) |
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New 'metamaterial' device may lead to see-through cameras and scanners
Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University (BU) has taken a step toward making such futuristic ...
May 06, 2010 |
4.9 / 5 (12) |
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NASA to Probe the Universe's First Moments
(PhysOrg.com) -- Sophisticated new technologies created by NASA and university scientists are enabling them to build an instrument designed to probe the first moments of the universe's existence.
Space & Earth / Space Exploration
Apr 29, 2010 |
4.6 / 5 (8) |
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Fermi maps an active galaxy's 'smokestack plumes'
If our eyes could see radio waves, the nearby galaxy Centaurus A (Cen A) would be one of the biggest and brightest objects in the sky, nearly 20 times the apparent size of a full moon. What we can't see when ...
Apr 01, 2010 |
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