(PhysOrg.com) -- Until now, scientists have thought that the process of erasing information requires energy. But a new study shows that, theoretically, information can be erased without using any energy at all. Instead, the ...
(PhysOrg.com) -- Electron microscopes are among the most widely used scientific and medical tools for studying and understanding a wide range of materials, from biological tissue to miniature magnetic devices, at tiny levels ...
General Physics
Jan 16, 2011
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Researchers at Ruhr-Universitat Bochum, Christian-Albrechts-Universitat zu Kiel and Santa Barbara have made the first experimental breakthrough in quantum physics: Their studies on the "pairing behavior" of electrons have ...
Superconductivity
Dec 1, 2010
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(PhysOrg.com) -- Tin may seem like the most unassuming of elements, but experiments performed at the Department of Energy's Oak Ridge National Laboratory are yielding surprising properties in extremely short-lived isotopes ...
General Physics
Oct 21, 2010
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(PhysOrg.com) -- At 60 million rotations per minute, a two-dimensional sheet of graphene has become the fastest-spinning trapped macroscopic object ever. Graphene is known for its large strength, and it's this strength that ...
Recent discoveries of gas giant planets in unusual orbits challenge the generally accepted theory of planet formation. While these discoveries do not disprove the theory, they have opened our eyes to chaotic solar systems ...
Astronomy
Jul 8, 2010
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(PhysOrg.com) -- With controlled stretching of molecules, Cornell researchers have demonstrated that single-molecule devices can serve as powerful new tools for fundamental science experiments. Their work has resulted in ...
Nanophysics
Jun 10, 2010
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Positronium is a short-lived system in which an electron and its anti-particle are bound together. In 2007, physicists at the University of California, Riverside created molecular positronium, a brand-new substance, in the ...
General Physics
May 1, 2010
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(PhysOrg.com) -- At the center of most galaxies lie supermassive black holes that can grow to become more than a billion times larger than our Sun. However, astrophysicists don’t fully understand the formation and evolution ...
(PhysOrg.com) -- For decades, the transistors inside radios, televisions and other everyday items have transmitted data by controlling the movement of the electron’s charge. Scientists now have discovered that transistors ...
Nanophysics
Oct 20, 2009
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