Watch a tiny inchworm make its way across someone's arm. It's just big enough to spot, but could easily be mistaken for an eyelash. It has a little blob on each end of its body and uses them to pull ...

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Creating a tool small enough to measure friction on a microelectromechanical systems (MEMS) device is not an easy task. The tool has to be about the width of a human hair. Yet, researchers at the at ...