(PhysOrg.com) -- In an effort to make computer chips even faster than those of today, many researchers have recently been investigating the possibility of optical computing. In an optical computer, information ...
Nov 17, 2011
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(PhysOrg.com) -- Suppose at some point the universe ceases to expand, and instead begins collapsing in on itself (as in the “Big Crunch” scenario), and eventually becomes a supermassive black hole. ...
Jul 19, 2011
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(PhysOrg.com) -- In quantum cryptography, scientists use quantum mechanical effects to encrypt and then communicate confidential information. Although quantum cryptography codes are unbreakable in principle, even the best ...
Jun 20, 2011
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(PhysOrg.com) -- In April, scientists at one of Fermilab’s two particle detectors, CDF, observed what they thought might be a new particle not predicted by the Standard Model. But now, scientists at the ...
Jun 13, 2011
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(PhysOrg.com) -- Taking another step toward demonstrating quantum behavior in a quantum computer, researchers from the Vancouver-based company D-Wave Systems, Inc., have performed a technique called quantum ...
May 14, 2011
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(PhysOrg.com) -- By observing the way that light moves inside a metamaterial, researchers have reconstructed how spacetime has expanded since the Big Bang. The results provide a better understanding of why ...
Apr 13, 2011
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(PhysOrg.com) -- Currently, commercial nuclear power plants generate electricity using nuclear fission, in which an atom’s nucleus is split into lighter nuclei. But scientists are also researching the ...
Mar 15, 2011
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(PhysOrg.com) -- In "ordinary" quantum entanglement, two particles possess properties that are inherently linked with each other, even though the particles may be spatially separated by a large distance. Now, physicists S. ...
Jan 24, 2011
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(PhysOrg.com) -- The possibility of going back in time only to kill your ancestors and prevent your own birth has posed a serious problem for potential time travelers, not even considering the technical details ...
Jul 21, 2010
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(PhysOrg.com) -- Researchers from the University of Tokyo have developed 3D holograms that can be touched with bare hands. Generally, holograms can't be felt because they're made only of light. But the new ...
Aug 06, 2009
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(PhysOrg.com) -- Could the Vatican really be destroyed by antimatter stolen from a CERN laboratory? The scheme might work in the plot of Angels & Demons, the most recent Hollywood thriller based on a book ...
May 19, 2009
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(PhysOrg.com) -- Currently, there's a lot of hype and skepticism surrounding the latest "Google rival," a so-called search engine named Wolfram Alpha. In the near future, anyone with Internet access will be ...
May 08, 2009
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(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy ...
Mar 18, 2009
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(PhysOrg.com) -- A new search engine described as an "electronic brain" could make searching the Internet more intelligent. Called Wolfram Alpha, the search engine computes its own answers rather than looking ...
Mar 09, 2009
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(PhysOrg.com) -- As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. ...
Feb 02, 2009
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