News tagged with random fluctuations

Big beats bolster solar cell efficiency

(Phys.org) —Playing pop and rock music improves the performance of solar cells, according to new research from scientists at Queen Mary University of London and Imperial College London.

dateNov 06, 2013 in Nanophysics
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Exotic symmetry seen in ultracold electrons

(PhysOrg.com) -- An exotic type of symmetry - suggested by string theory and theories of high-energy particle physics, and also conjectured for electrons in solids under certain conditions - has been observed ...

dateJan 18, 2010 in General Physics
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Cell factory runs with fits and starts

Researchers from FOM institute AMOLF have discovered that metabolism, the process that converts molecules in a cell, proceeds irregularly. As metabolism is the motor that drives all biological activity in ...

dateSep 03, 2014 in Cell & Microbiology
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Reliable communication, unreliable networks

Now that the Internet's basic protocols are more than 30 years old, network scientists are increasingly turning their attention to ad hoc networks—communications networks set up, on the fly, by wireless devices—where ...

dateAug 05, 2013 in Computer Sciences
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Hitting the borders of expansion

Why does a species not adapt to an ever-wider range of conditions, gradually expanding its geographical range? In their paper published on May 5 in PNAS (Proceedings of the National Academy of Sciences), Jitka Polecho ...

dateMay 05, 2015 in Ecology
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How fast do chemical trains move in living cells?

The rate of chemical processes in cells is dictated by the speed of movement (diffusion) of molecules needed for a given reaction. Using a versatile method developed at the Institute of Physical Chemistry of the Polish Academy ...

dateJan 31, 2013 in Biochemistry
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