Amongst all known elementary particles, the top quark is peculiar: weighing as much as a Tungsten atom, it completes the so-called 3rd generation of quarks and is the only quark whose properties can be directly measured. ...
General Physics
Nov 5, 2012
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At 11:24 p.m. EDT on Oct. 4, 2012, the sun unleashed a coronal mass ejection (CME).
Space Exploration
Oct 5, 2012
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Hitachi, in collaboration with The Nippon Signal and the University of Yamanashi, have successfully prototyped a boarding gate with built-in explosives detection equipment as part of efforts to increase safety in public facilities ...
Electronics & Semiconductors
Oct 3, 2012
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The sun erupted with a wide, Earth-directed coronal mass ejection (CME) on Sept. 27, 2012 at 10:25 p.m. EDT. CMEs are a phenomenon that can send billions of tons of solar particles into space that can reach Earth one to three ...
Space Exploration
Sep 28, 2012
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(Phys.org)—The Advanced Composition Explorer (ACE) is Earth's vanguard. Orbiting around a point 900,000 miles away between the Earth and our sun, this satellite is ever vigilant, recording the combination of radiation—from ...
Space Exploration
Aug 30, 2012
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The sun emitted a mid-level solar flare on July 19, 2012, beginning at 1:13 AM EDT and peaking at 1:58 AM. Solar flares are gigantic bursts of radiation that cannot pass through Earth's atmosphere to harm humans on the ground, ...
Space Exploration
Jul 19, 2012
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(Phys.org) -- With the impending solar maximum expected to bring heightened rates of flares and coronal mass ejections (CMEs), putting at risk an ever-increasing human presence in space, Oh et al. designed and assessed a ...
Space Exploration
Jul 6, 2012
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The largest solar particle event since 2005 hit the Earth, Mars and the Mars Science Laboratory spacecraft travelling in-between, allowing the onboard Radiation Assessment Detector to measure the radiation a human astronaut ...
Space Exploration
Jan 28, 2012
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(PhysOrg.com) -- Solar flares are giant explosions on the sun that send energy, light and high speed particles into space. These flares are often associated with solar magnetic storms known as coronal mass ejections (CMEs). ...
Space Exploration
Jan 26, 2012
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The Radiation Assessment Detector, the first instrument on NASA's next rover mission to Mars to begin science operations, was powered up and began collecting data Dec. 6, almost two weeks ahead of schedule. RAD is the only ...
Space Exploration
Dec 13, 2011
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