Was Einstein right? Scientists provide first public peek at Gravity Probe B results
Apr 16, 2007 |
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For the past three years a satellite has circled the Earth, collecting data to determine whether two predictions of Albert Einstein's general theory of relativity are correct. Saturday, at the American Physical ...
Big Bang's Afterglow Fails an Intergalactic Shadow Test
Sep 01, 2006 |
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The apparent absence of shadows where shadows were expected to be is raising new questions about the faint glow of microwave radiation once hailed as proof that the universe was created by a "Big Bang."
The Mathematical Structure of Terrorism
May 22, 2006 |
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The complex patterns of the natural world often turn out to be governed by relatively simple mathematical relationships. A seashell grows at a rate proportional to its size, resulting in a delicate spiral. The gossamer network ...
Israeli Researcher Develops New Theoretical Model of Time Machine
Aug 13, 2007 |
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Technion Israel Institute of Technology researchers have developed a theoretical model of a time machine that, in the distant future, could possibly enable future generations to travel into the past. An article on this research ...
General relativity survives gruelling pulsar test -- Einstein at least 99.95 percent right
Sep 13, 2006 |
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An international research team led by Prof. Michael Kramer of the University of Manchester's Jodrell Bank Observatory, UK, has used three years of observations of the "double pulsar", a unique pair of natural stellar clocks ...
Matter-antimatter molecules of positronium observed in the lab for the first time
Sep 12, 2007 |
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Physicists at UC Riverside have created molecular positronium, an entirely new object in the laboratory. Briefly stable, each molecule is made up of a pair of electrons and a pair of their antiparticles, called ...
From zero to a billion electron volts in 3.3 centimeters
Sep 24, 2006 |
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In a precedent-shattering demonstration of the potential of laser-wakefield acceleration, scientists at the Department of Energy's Lawrence Berkeley National Laboratory, working with colleagues at the University ...
Room temperature superconductivity: One step closer to the Holy Grail of physics
Jul 09, 2008 |
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Scientists at the University of Cambridge have for the first time identified a key component to unravelling the mystery of room temperature superconductivity, according to a paper published in today's edition of the scientific ...
Moth eyes may hold key to more efficient solar cells
Feb 22, 2008 |
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One of the difficulties with solar power is that solar cells are notoriously inefficient. Some of that inefficiency, says Peng Jiang, is due to the fact that silicon is reflective. Jiang, an assistant professor ...
New insights on fusion power
Dec 03, 2008 |
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(PhysOrg.com) -- Research carried out at MIT’s Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical ...
Light throws a curve ball
Sep 29, 2008 |
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(PhysOrg.com) -- Researchers at the University of St Andrews have made a surprise discovery using light beams that can travel around corners.
Cluster spacecraft makes a shocking discovery
May 14, 2007 |
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ESA's Cluster was in the right place and time to make a shocking discovery. The four spacecraft encountered a shock wave that kept breaking and reforming – predicted only in theory.
Scientists discover exotic relatives of protons and neutrons
Oct 23, 2006 |
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Scientists of the CDF collaboration at the Department of Energy's Fermi National Accelerator Laboratory announced today (October 23, 2006) the discovery of two rare types of particles, exotic relatives of the ...
Researchers create gold aluminum, black platinum, blue silver
Feb 01, 2008 |
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Using a tabletop laser, a University of Rochester optical scientist has turned pure aluminum, gold. And blue. And gray. And many other colors. And it works for every metal tested, including platinum, titanium, ...
Research overturns accepted notion of neutron's electrical properties
Sep 17, 2007 |
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For two generations of physicists, it has been a standard belief that the neutron, an electrically neutral elementary particle and a primary component of an atom, actually carries a positive charge at its center and an offsetting ...
