(Phys.org) -- NASA's Dawn mission has received official confirmation that 40 extra days have been added to its exploration of the giant asteroid Vesta, the second most massive object in the main asteroid belt. The mission ...
Space Exploration
Apr 19, 2012
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(PhysOrg.com) -- NASA's Dawn spacecraft successfully maneuvered into its closest orbit around the giant asteroid Vesta today, beginning a new phase of science observations. The spacecraft is now circling Vesta at an altitude ...
Space Exploration
Dec 13, 2011
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Beginning Sunday, September 18, 2011 at NASA's launch facility in Fort Sumner, New Mexico, space scientists from the University of New Hampshire will attempt to send a balloon up to 130,000 feet with a one-ton instrument ...
Space Exploration
Sep 16, 2011
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(PhysOrg.com) -- A table-top gamma-ray detector created at the University of Michigan can not only identify the presence of dangerous nuclear materials, but can pinpoint and show their exact location and type, unlike conventional ...
General Physics
Nov 2, 2010
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After its "birth" in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the ...
Astronomy
Jun 1, 2024
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How do astronomers look for neutrinos? These small, massless particles whiz through the universe at very close to the speed of light. They've been studied since the 1950s and detecting them provides work for a range of very ...
Astronomy
Apr 3, 2023
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98
Neutron detectors and sources play critical roles in national defense, homeland security, nuclear power plant control, radiation medicine, petroleum exploration, materials science, industrial imaging, and a host of other ...
General Physics
Jan 18, 2017
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A nuclear device has been hidden in a high-rise building in a major metropolitan area. Emergency responders have intelligence that narrows down the location to a single city block, but it isn't safe to search door-to-door. ...
General Physics
Oct 30, 2014
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Ever attend a wild party with flashing lights and loud music that snowballs into a dazzling moment worth remembering? That's something like how scientists describe the chain reactions in our atmosphere that lead to lightning. ...
Earth Sciences
Nov 7, 2013
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A team of industrial and university researchers has shown that nanoparticles with sizes smaller than 10 nanometers – approximately the width of a cell membrane – can be successfully incorporated into scintillation devices ...
Nanomaterials
Mar 25, 2013
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