(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of very high-energy ...
Astronomy
Apr 18, 2013
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A team led by the Austrian physicist Anton Zeilinger has carried out an experiment with photons, in which they have closed an important loophole. The researchers have thus provided the most complete experimental proof that ...
Quantum Physics
Apr 15, 2013
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Physicists said Thursday they are now confident they have discovered a crucial subatomic particle known as a Higgs boson—a major discovery that will go a long ways toward helping them explain why the universe is the way ...
General Physics
Mar 14, 2013
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JILA researchers demonstrated thatinformation encoded as a specific point in atraveling microwave signal—the vertical and horizontal positions of a wave pattern at a certain ime—can be transferred to the mechanical beat ...
Quantum Physics
Mar 13, 2013
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Researchers from Amherst College and The University of Texas at Austin have described a new technique that might one day reveal in higher detail than ever before the composition and characteristics of the deep Earth.
Earth Sciences
Feb 21, 2013
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How many matter particles exist in nature? Particle physicists have been dealing with this question for a long time. The 12 matter particles contained in the standard model of particle physics? Or are there further particles ...
General Physics
Dec 13, 2012
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Quantum computers are devices—still largely theoretical—that could perform certain types of computations much faster than classical computers; one way they might do that is by exploiting "spin," a property of tiny particles ...
Quantum Physics
Nov 27, 2012
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At very low temperatures, close to absolute zero, chemical reactions may proceed at a much higher rate than classical chemistry says they should – because in this extreme chill, quantum effects enter the picture. A Weizmann ...
Quantum Physics
Oct 11, 2012
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A team led by scientists at the California Institute of Technology (Caltech) have made the first-ever mechanical device that can measure the mass of individual molecules one at a time.
General Physics
Aug 26, 2012
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(Phys.org) -- After more than 10 years of gathering and analyzing data produced by the U.S. Department of Energy's Tevatron collider, scientists from the CDF and DZero collaborations have found their strongest indication ...
General Physics
Jul 2, 2012
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