Golden scales: Nanoscale mass sensor from Berkeley can be used to weigh individual atoms and molecules

(PhysOrg.com) -- There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley Lab and the University of California at Berkeley have fashioned a nanoelectromechanical system (NEMS) that can function as a scale sensitive enough to measure the mass of a single atom of gold.

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