Physical Review Letters

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 ...

dateJun 17, 2015 in General Physics
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The most accurate quantum thermometer

Scientists have defined the smallest, most accurate thermometer allowed by the laws of physics—one that could detect the smallest fluctuations in microscopic regions, such as the variations within a biological cell.

dateJun 05, 2015 in Quantum Physics
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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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Getting the measure of matter

Peter Rohde and his collaborators develop big ideas – and a measure of corny humour – using photons, the smallest possible units of light. (Did you hear about the photon that walked into a hotel and the ...

dateJun 16, 2015 in Quantum Physics
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