(Phys.org) —Lasers are an unseen backbone of modern society. They're integral to technologies ranging from high-speed Internet services to Blu-ray players.
May 21, 2013
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A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...
May 08, 2013
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An international team of scientists has shed new light on a fundamental area of physics which could have important implications for future electronic devices and the transfer of information at the quantum level.
Apr 23, 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 ...
Apr 15, 2013
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Model calculations predict a sea level rise of about one meter by the end of this century and of up to five and a half meters by the year 2500. Until now there are few studies on the potential impacts of ...
Apr 09, 2013
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(Phys.org) —Talk about storing data in the cloud. Scientists at the Joint Quantum Institute (JQI) of the National Institute of Standards and Technology (NIST) and the University of Maryland have taken this ...
Apr 04, 2013
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(Phys.org) —By introducing individual silicon atom 'defects' using a scanning tunnelling microscope, scientists at the London Centre for Nanotechnology have coupled single atoms to form quantum states.
Apr 03, 2013
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New research shows that the speed of light may not be fixed after all, but rather fluctuates.
Mar 25, 2013
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Carbon nanotubes and magnetic molecules are considered building blocks of future nanoelectronic systems. Their electric and mechanical properties play an important role. Researchers of Karlsruhe Institute ...
Mar 15, 2013
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(Phys.org)—Exciting the atoms or molecules of a substance via the use of visible light, or photoexcitation, can play a significant role in a range of energy-conversion processes, such as natural photosynthesis ...
Feb 11, 2013
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(Phys.org)—A team of Australian scientists has developed a powerful microscope using the laws of quantum mechanics to probe the inner workings of living cells.
Feb 04, 2013
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(Phys.org)—A team of physicists in Germany have succeeded in forcing a gas to become colder than absolute zero. Using lasers and a magnetic field to manipulate an ultra-cold gas, the researchers, as they describe in thei ...
Jan 04, 2013
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(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be cor ...
Jan 04, 2013
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Specially shaped laser pulses can be used to change the state of electrons in a molecule. This process only takes several attoseconds—but it can initiate another, much slower process: The splitting of the ...
Dec 12, 2012
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(Phys.org)—Modern precision measurements are spectacular feats of engineering. An excellent example is determining the passage of time. Before John Harrison's marine chronometer in the mid 18th century, ...
Dec 06, 2012
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