Gamma-ray photon race ends in dead heat; Einstein wins this round
Oct 28, 2009 |
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Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish ...
Astronomers explore 'last blank space' on map of the Universe
Oct 28, 2009 |
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(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...
Why fish oils help and how they could help even more
Oct 28, 2009 |
4.6 / 5 (27) |
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New research from Queen Mary, University of London and Harvard Medical School has revealed precisely why taking fish oils can help with conditions like rheumatoid arthritis.
NASA's Ares I-X moon rocket makes first test flight
Space & Earth / Space Exploration
Oct 28, 2009 |
4.5 / 5 (25) |
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(PhysOrg.com) -- NASA's Ares I-X test rocket lifted off at 11:30 a.m. EDT Wednesday from NASA's Kennedy Space Center in Florida for a two-minute powered flight.
Physicist makes new high-res panorama of Milky Way
Oct 28, 2009 |
4.6 / 5 (14) |
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Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...
Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)
Oct 28, 2009 |
4.6 / 5 (14) |
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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 ...
The Sun's Sneaky Variability
Space & Earth / Space Exploration
Oct 28, 2009 |
4.8 / 5 (11) |
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Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...
Robot Armada Might Scale New Worlds
Space & Earth / Space Exploration
Oct 28, 2009 |
4.3 / 5 (11) |
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(PhysOrg.com) -- An armada of robots may one day fly above the mountain tops of Saturn's moon Titan, cross its vast dunes and sail in its liquid lakes.
Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies
Oct 28, 2009 |
4.1 / 5 (11) |
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(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...
New methods are changing old materials
Oct 28, 2009 |
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(PhysOrg.com) -- A company that makes steel for bearings used in heavy trucks had a big problem. The trucks travel through harsh, perilous environments such as Siberia, and an unexpected bearing failure on ...
Blast from the Past Gives Clues About Early Universe
Oct 28, 2009 |
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(PhysOrg.com) -- Astronomers using the National Science Foundation's Very Large Array (VLA) radio telescope have gained tantalizing insights into the nature of the most distant object ever observed in the ...
Fibre may keep asthma, diabetes at bay, study finds
Oct 28, 2009 |
4.8 / 5 (8) |
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Insoluble dietary fibre, or roughage, not only keeps you regular, say Australian scientists, it also plays a vital role in the immune system, keeping certain diseases at bay.
Answering that age-old lament: Where does all this dust come from?
Oct 28, 2009 |
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Where does it come from? Scientists in Arizona are reporting a surprising answer to that question, which has puzzled and perplexed generations of men and women confronted with layers of dust on furniture and ...
Regeneration can be achieved after chronic spinal cord injury
Medicine & Health / Neuroscience
Oct 28, 2009 |
5 / 5 (6) |
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Scientists at the University of California, San Diego School of Medicine report that regeneration of central nervous system axons can be achieved in rats even when treatment delayed is more than a year after the original ...
Channels from Mars Hale Crater
Space & Earth / Space Exploration
Oct 28, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- This image from NASA's Mars Reconnaissance Orbiter shows channels to the southeast of Hale crater on southern Mars. Taken by the orbiter's High Resolution Imaging Science Experiment (HiRISE) ...
