Physics news

How Time-Traveling Could Affect Quantum Computing

(PhysOrg.com) -- If space-time were constructed in such a way that you could travel back in time, it would create some pretty strange effects. One of these oddities, as many people know, is the “grandfather paradox.” ...

Nov 20, 2008 feature
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Plenty of nothing: A hole new quantum spin

Electronic devices are always shrinking in size but it's hard to imagine anything beating what researchers at the University of New South Wales have created: a tiny wire that doesn't even use electrons to carry a current.

Jul 26, 2006
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How foamy is spacetime?

Maybe not as foamy as some scientists thought, as a fresh look at a quasar first observed in 1998 by the Hubble Space Telescope (HST) shows. Physicists observed a diffraction pattern called an Airy ring around ...

Feb 10, 2006 feature
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Information Storage in Three Dimensions

For the first time, researchers have successfully turned a glass material into three-dimensional information storage using a light-based technique. This achievement may be a big step forward for the real-life implementation ...

Mar 18, 2008 feature
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Quantum mechanics may explain how humans smell

Scientists from the London Centre for Nanotechnology (LCN) at University College London have newly analyzed an intriguing 10-year-old theory of smell, finding that the idea may make more sense than once thought.

Feb 01, 2007 feature
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