Friction is a key phenomenon in applied physics, whose origin has been studied for centuries. Until now, it has been understood that mechanical wear-resistance and fluid lubrication affect friction, but the fundamental origin ...
General Physics
May 29, 2012
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(PhysOrg.com) -- To understand friction on a very small scale, a team of University of Wisconsin-Madison engineers had to think big.
Nanophysics
Feb 25, 2009
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Snakes are highly specialized legless animals, which have evolved around 150 Million years ago. Although without extremities their body is exposed to constant friction forces. The PhD-Student Marie-Christin Klein and Professor ...
Materials Science
Aug 15, 2012
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Theoretical physicists studying the behavior of ultra-cold atoms have discovered a new source of friction, dispensing with a century-old paradox in the process. Their prediction, which experimenters may soon try to verify, ...
Quantum Physics
Jun 27, 2016
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130
In collaboration with the University of Basel, an international team of researchers has observed a strong energy loss caused by frictional effects in the vicinity of charge density waves. This may have practical significance ...
Condensed Matter
Dec 15, 2013
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Picture a nanoscale dance floor full of independently moving particles. When things really start to heat up—or, in this case, cool down—particles partner off, but on opposite sides of the space, "dancing" in synch as ...
Superconductivity
Sep 21, 2023
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Saturn's ice moon Iapetus has more giant landslides than any solar system body other than Mars. Measurements of the avalanches suggest that some mechanism lowered their coefficients of friction so that they flowed rather ...
Earth Sciences
Jul 29, 2012
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(PhysOrg.com) -- Similar to the way pavement, softened by a hot sun, will slow down a car, graphene—a one-atom-thick sheet of carbon with wondrous properties—slows down an object sliding across its surface. But ...
Nanophysics
Jan 11, 2012
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(PhysOrg.com) -- Nanotubes and nanowires are promising building blocks for future integrated nanoelectronic and photonic circuits, nanosensors, interconnects and electro-mechanical nanodevices. But some fundamental issues ...
Nanomaterials
Sep 15, 2009
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Scientists at Aalto University have measured the low but non-zero friction of droplets moving on slippery water-repellent surfaces.
General Physics
Sep 13, 2013
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