Jul 19
This might look like a strange microscopic image, or even an aerial view of a sprawling city late at night—but in fact it’s what a 600-billion-billion-kilometre-wide section of the universe looks like.
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Jun 30
University of Michigan activates antimatter ‘gun,’ cartoon supervillians twirl moustaches anew
Posted in: Today's Chili
At the University of Michigan, an international team of physicists has begun experimenting with its tabletop-sized super laser, modding it into an antimatter “gun.” It’s not quite a black hole-firing pistol, but we’re slightly terrified nonetheless. Up until now, machines capable of creating positrons — coupled with electrons, they comprise the energy similar to what’s emitted by black holes and pulsars — have needed to be as large as they are expensive. Creating these antimatter beams on a small scale will hopefully give astrophysicists greater insight into the “enigmatic features” of gamma ray bursts that are “virtually impossible to address by relying on direct observations,” according to a paper published at arXiv. While the blasts only last fractions of a second each, the researchers report each firing produces a particle-density output level comparable to the accelerator at CERN. Just like that, the Longhorns/Wolverines super-laser arms-race begins again.
Filed under: Science
Source: arXiv
Jun 30
It was Bret Easton Ellis who coined the phrase, “The better you look, the more you see,” and it appears the folks down at NASA’s Jet Propulsion Lab agree. In what’s considered a “first,” the agency’s latest space-scouring probe, the Nuclear Spectroscopic Telescope Array, has turned on its X-ray vision to capture focused images of a black hole, dubbed Cygnus X-1, feeding on a nearby giant star. By tuning into these high-energy frequencies, scientists are getting a peak into a previously unseen side of the heavens at 100 times the sensitivity and 10 times the resolution of any preceding tech. The space agency plans to use the observatory’s powerful sight to suss out other known areas of mass X-ray activity like 3C273, an active quasar located two billion light years away and even explore G21.5-0.9, the fallout from a supernova within the Milky Way galaxy. NuSTAR’s first tour of galactic duty will span two year’s time, during which it’ll attempt to record imagery from “the most energetic objects in the universe, ” as well as track the existence of black holes throughout the cosmos. Impressed? Yeah, us too.
Continue reading NASA’s NuSTAR probe snaps first X-ray image of feeding black hole
NASA’s NuSTAR probe snaps first X-ray image of feeding black hole originally appeared on Engadget on Sat, 30 Jun 2012 07:32:00 EDT. Please see our terms for use of feeds.
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