University of Alberta and Department of National Defence researchers have developed a tiny battery-free sensor that can be used to track vital signs of soldiers in the field, including checking for ...

Scientists at Harvard have built a miniature device that can twist and tune light in real time. By rotating two stacked photonic crystals and adjusting their spacing with a tiny mechanical system, ...

Understand why the physics behind your flow calibrator—primary versus secondary standards—dictates the legal and medical integrity of your worker exposure results.

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