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| May 09, 2008 |
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XMM-Newton Discovers Part Of Missing Matter In The Universe Paris, France (SPX) May 07, 2008 
ESA's orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe. 10 years ago, scientists predicted that about half of the missing 'ordinary' or normal matter made of atoms exists in the form of low-density gas, filling vast spaces between galaxies. All the matter in the universe is distributed in a ... read more |
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High-Flying Electrons May Provide New Test Of Quantum Theory
Washington DC (SPX) May 02, 2008Researchers at the National Institute of Standards and Technology and Max Planck Institute for Physics in Germany believe they can achieve a significant increase in the accuracy of one of the fundamental constants of nature by boosting an electron to an orbit as far as possible from the atomic nucleus that binds it. The experiment would not only mean more accurate identifications of ... more Black Hole Expelled From Its Parent Galaxy 
Garching, Germany (SPX) Apr 30, 2008By an enormous burst of gravitational waves that accompanies the merger of two black holes the newly formed black hole was ejected from its galaxy. This extreme ejection event, which had been predicted by theorists, has now been observed in nature for the first time. The team led by Stefanie Komossa from the Max Planck Institute for extraterrestrial Physics (MPE) thereby opened a new window in ... more The Physics Of Whipped Cream 
Washington DC (SPX) Apr 28, 2008Let's do a little science experiment. If you have a can of whipped cream in the fridge, go get it out. Spray a generous dollop into a spoon and watch carefully. Notice anything interesting? The whipped cream just did something rather puzzling. First it flowed smoothly out of the nozzle like a liquid would, and then, a moment later, it perched rigidly in the spoon as if it were solid. What made ... more Gravity Wave Smoking Gun Fizzles 
Cleveland OH (SPX) Apr 16, 2008A team of researchers from Case Western Reserve University has found that gravitational radiation-widely expected to provide "smoking gun" proof for a theory of the early universe known as "inflation"-can be produced by another mechanism. According to physics scholars, inflation theory proposes that the universe underwent a period of exponential expansion right after the big bang. A key ... more Milky Way's Giant Black Hole Awoke From Slumber 300 Years Ago 
Greenbelt MD (SPX) Apr 16, 2008Using NASA, Japanese, and European X-ray satellites, a team of Japanese astronomers has discovered that our galaxy's central black hole let loose a powerful flare three centuries ago. The finding helps resolve a long-standing mystery: why is the Milky Way's black hole so quiescent? The black hole, known as Sagittarius A* (pronounced "A-star"), is a certified monster, containing about 4 million t ... more |
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Greenbelt MD (SPX) Apr 02, 2008Using a new technique, two NASA scientists have identified the lightest known black hole. With a mass only about 3.8 times greater than our Sun and a diameter of only 15 miles, the black hole lies very close to the minimum size predicted for black holes that originate from dying stars. "This black hole is really pushing the limits. For many years astronomers have wanted to know the smallest ... more 2,500 Researchers, One Supermachine, One New Snapshot Of The Universe 
Montreal, Canada (SPX) Apr 02, 2008Deep in the bowels of the earth -100 metres below ground in Geneva, Switzerland - lies a supermachine of 27 km circumference called the Large Hadron Collider that has been built to unlock the mysteries of the universe. Claude Leroy, a Universite de Montreal physics professor, was among the 2,500 scientists from 37 countries recruited to help design, test and build the ATLAS detector ... more Why Matter Matters In The Universe 
Melbourne, Australia (SPX) Mar 31, 2008The latest research findings, which involved significant contributions from physicists at the University of Melbourne, have been recently published in the prestigious journal Nature. The paper reveals that investigation into the process of B-meson decays has given insight into why there is more matter than antimatter in the universe. "B-mesons are a new frontier of investigation for us and ... more Physicists And Engineers Search For New Dimension 
Blacksburg VA (SPX) Mar 12, 2008The universe as we currently know it is made up of three dimensions of space and one of time, but researchers in the Department of Physics and the Department of Electrical and Computer Engineering at Virginia Tech are exploring the possibility of an extra dimension. Sound like an episode from the "Twilight Zone"" Almost, but not quite; according to John Simonetti, associate professor of ph ... more Solitons Found In The Magnetopause 
Paris, France (ESA) Mar 11, 2008First observed in the waters of a Scottish canal in 1834, solitary waves or solitons, have nowadays applications across various fields of physics, including optical fibres to enable ultra-fast internet. However, fundamental questions on this phenomenon remain open. For the first time, spontaneous formation of solitons in space, at the border of the Earth's magnetosphere called magnetopause, is ... more |
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Paris (AFP) Feb 21, 2008The big news: Earth is doomed to fry and then be gobbled up by the dying Sun. But don't blow your savings on an Apocalypse Party just yet, for astronomers say the planet's demise is 7.6 billion years away. The unusual calculations appear in the British open-access journal Astrophysics. Robert Smith, emeritus reader in astronomy at the University of Sussex ... more IBM measures force needed to move an atom 
San Jose, Calif. (UPI) Feb 21, 2008 U.S. and German scientists have become the first to measure the force it takes to move individual atoms on a surface. The researchers from IBM's Almaden Research Center in San Jose, Calif., and the University of Regensburg in Germany said their landmark achievement provides fundamental information about atomic-scale fabrication and might lead to new miniaturized data storage devices and ... more The Poincare Dodecahedral Space Model Gains Support To Explain The Shape Of Space 
Paris, France (SPX) Feb 13, 2008The last fifteen years have shown considerable growth in attempt to determine the global shape of the universe, i.e. not only the curvature of space but also its topology. The concordance cosmological model which now prevails describes the universe as a flat (zero-curvature) infinite space in eternal, accelerated expansion. However, the data delivered between 2003 and 2006 by the NASA sate ... more Syracuse Supercomputer Will Help Scientists Listen For A Symphony Of Black Holes
Syracuse NY (SPX) Feb 11, 2008Scientists hope that a new supercomputer being built by University's Department of Physics may help them identify the sound of a celestial black hole. The supercomputer, dubbed SUGAR for SU Gravitational and Relativity Cluster, will soon receive massive amounts of data from the California Institute of Technology that was collected over a two-year period at the Laser Interferometer Gravitational ... more An End To A Dark Mystery That Will Simplify The Universe 
St Andrews, Scotland (SPX) Feb 04, 2008Astronomers at the University of St Andrews believe they can "simplify the dark side of the universe" by shedding new light on two of its mysterious constituents. Dr HongSheng Zhao, of the University's School of Physics and Astronomy, has shown that the puzzling dark matter and its counterpart dark energy may be more closely linked than was previously thought. Only 4% of the universe is ma ... more
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