Physical Review Letters

Using lasers to see the shape of molecules

A scientist in a crisp, white lab coat and protective eye goggles sits behind a safety shield, controller in hand. In front of him is a powerful titanium-sapphire laser, aimed at a crystal lens. His thumb gently squeezes ...

dateJun 24, 2015 in General Physics
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Researchers align atomic friction experiment

Working together to study friction on the atomic scale, researchers at UC Merced and the University of Pennsylvania have conducted the first atomic-scale experiments and simulations of friction at overlapping speeds.

dateJun 24, 2015 in Nanophysics
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The protein problem

The importance of proteins is difficult to overstate; they play a critical role in countless biological processes. An enhanced understanding of their structure and function is essential to advancing the state of the art in ...

dateJun 17, 2015 in General Physics
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