(Phys.org)—Just 96 days since their launch, NASA's twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a clearer understanding ...
Space Exploration
Dec 6, 2012
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Conventional particle accelerators can range from large room-sized devices to facilities multiple kilometers across. One of the ways that scientists have looked to reduce the size and expense of future accelerators is by ...
Optics & Photonics
Aug 15, 2017
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Encircling the Earth, within its magnetosphere, are two concentric, doughnut-shaped radiation belts known as the Van Allen belts. The Van Allen belts swell and recede in response to incoming energy from the sun, sometimes ...
Plasma Physics
Jun 20, 2017
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(Phys.org) —In Antarctica in January, 2013 – the summer at the South Pole – scientists released 20 balloons, each eight stories tall, into the air to help answer an enduring space weather question: when the giant radiation ...
Earth Sciences
May 21, 2013
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A smaller version of an instrument now flying on NASA's Van Allen Probes has won a coveted spot aboard an upcoming NASA-sponsored Cubesat mission—the perfect platform for this pint-size, solid-state telescope.
Space Exploration
Feb 14, 2013
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In the bright, constant sun of the Antarctic summer, a NASA-funded team is launching balloons. There are twenty of these big, white balloons, each of which sets off on a different day for a leisurely float around the South ...
Earth Sciences
Feb 4, 2013
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A team of physicists from Europe and South Africa showed that electrons moving randomly in graphene can mimic the dynamics of particles such as cosmic rays, despite travelling at a fraction of their speed, in a paper about ...
Nanophysics
Oct 31, 2012
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(Phys.org)—Accelerator physicists at SLAC have started commissioning the world's most compact photoinjector – a device that spits out electrons when hit by light. Photoinjectors are used to generate electrons for free-electron ...
General Physics
Sep 25, 2012
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(Phys.org)—In the very early hours of Sept. 1 – just under two days since the 4:05 a.m. EDT launch of NASA's Radiation Belt Storm Probes – the team at the RBSP Mission Operations Center (MOC) controlling spacecraft ...
Space Exploration
Sep 13, 2012
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Tiny relativistic effects form the basis of the functionalities in modern technology, as exemplified in magnetic hard disks and data storage media. Now for the first time, scientists have directly observed features in an ...
General Physics
Dec 21, 2016
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