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Voyager makes an interstellar discoveryThe solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery. "Using data from Voyager, we have discovered a strong magnetic field just outside ...
Calvin Smith
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25 hours ago
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Print: Physicist Taps Pop Culture to Explain New Theory of Time | MagazineSean Carroll’s office at Caltech is a jumble of brainy flotsam. There are books with titles like Differential Forms in Algebraic Topology; five empty champagne bottles, one for each of his students who’s earned a PhD; and a NASA-approved blow-up beach ball of the universe. And on the physicist’s ...
JDP
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2 days ago
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7 Tipping Points That Could Transform Earth | Wired Science | Wired.comWhen the Intergovernmental Panel on Climate Change issue its last report in 2007, environmental tipping points were a footnote. A troubling footnote, to be sure, but the science was relatively new and unsettled. Straightforward global warming was enough to worry about. But when the IPCC meets ...
JDP
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8 days ago
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Colliding auroras produce an explosion of lightA network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, producing spectacular outbursts of light. Movies of the phenomenon were unveiled at the Fall Meeting ...
JDP
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New Study of Meteorite Provides More Evidence for Ancient Life on MarsThis image of the meteorite, seen through a scanning electron microscope, shows bumps that resemble a fossilized colony of microbacteria. Some of the rounded bumps are preserved at the top of the surface and resemble individual spherical and ovoid-shaped microbes. In 1996, when scientists ...
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Life on Mars theory boosted by new methane studyScientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth and Planetary Science Letters. Methane has a short lifetime of just a few hundred ...
JDP
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3 weeks ago
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Pork meat grown in the laboratoryScientists from Eindhoven University in The Netherlands have for the first time grown pork meat in the laboratory by extracting cells from a live pig and growing them in a petri dish. The scientists, led by Professor of Physiology Mark Post, extracted myoblast cells from a living pig and grew ...
JDP
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Sandtrapped Rover Makes a Big DiscoverySpirit surveys its own predicament. The bright soil pictured left is loose, fluffy material churned by the rover's left-front wheel as Spirit, driving backwards, broke through a darker, crusty surface. At right is the least-embedded of the rover's six wheels. "Spirit had to get stuck to make ...
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Seven questions that keep physicists up at night - space - 23 October 2009 - New ScientistIt's not your average confession show: a panel of leading physicists spilling the beans about what keeps them tossing and turning in the wee hours. That was the scene a few days ago in front of a packed auditorium at the Perimeter Institute, in Waterloo, Canada, when a panel of physicists was ...
tj dreves
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4 weeks ago
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Dark power: Grand designs for interstellar travel - space - 25 November 2009 - New ScientistSPACE is big," wrote Douglas Adams in his book The Hitchhiker's Guide to the Galaxy . "You just won't believe how vastly, hugely, mind-bogglingly big it is." He wasn't exaggerating. Even our nearest star Proxima Centauri is a staggering 4.2 light years away - more than 200,000 times the ...
tj dreves
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