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Stars Fueled by Dark Matter Could Hold Secrets to the Universe
Nov 03, 2009 |
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(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...
Study Shows Time Traveling May Not Increase Computational Power
Oct 22, 2009 |
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(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...
Could Exotic Matter Provide an Infinite Source of Energy?
Sep 15, 2009 |
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(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...
Physicist Proposes Solution to Arrow-of-Time Paradox
Aug 27, 2009 |
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(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...
New Law of Physics Could Explain Quantum Mysteries
Aug 17, 2009 |
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(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...
Physicists detect two candidate dark matter interactions, but say the data are not conclusive
Dec 18, 2009 |
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(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Black Holes in Star Clusters stir up Time and Space (w/ Video)
Dec 16, 2009 |
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(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...
Theorists propose a new way to shine -- and a new kind of star
Dec 14, 2009 |
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Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.
Atom smasher catches 1st high-energy collisions
Dec 09, 2009 |
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(AP) -- The world's largest atom smasher has recorded its first high-energy collisions of protons, a spokeswoman said Wednesday.
Hubble's Deepest View of Universe Unveils Never-Before-Seen Galaxies (w/ Video)
Dec 08, 2009 |
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(PhysOrg.com) -- In 2004, Hubble created the Hubble Ultra Deep Field (HUDF), the deepest visible-light image of the Universe, and now, with its brand-new camera, Hubble is seeing even farther. This image was ...
Hunt for Higgs boson: Mass of top quark narrows search
Dec 07, 2009 |
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(PhysOrg.com) -- New high-energy particle research by a team working with data from Fermi National Accelerator Laboratory further heightens the uncertainty about the exact nature of a key theoretical component ...
A Superbright Supernova That’s the First of Its Kind
Dec 02, 2009 |
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(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...
First Neutrino Events Observed at T2K Near Detector
Nov 24, 2009 |
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(PhysOrg.com) -- Physicists from the Japanese-led multi-national T2K neutrino collaboration announced today that over the weekend they detected the first events generated by their newly built neutrino beam ...
First black holes may have incubated in giant, starlike cocoons
Nov 24, 2009 |
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(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...
'Cosmic fruit machine' matches collisions
Nov 24, 2009 |
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(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...
