Modern smartphones are packed with a wide range of sensors, and their magnetometer can successfully identify certain kinds of ...
A metal detectorist in southeastern Poland recently unearthed a Christian pilgrim badge from the Middle Ages, state officials say. The badge was found in the village of Wólka Nieliska, less than 50 ...
PORTLAND, Ore. — A sensor akin to an electronic nose could be used to detect toxic industrial chemicals and be as commonplace as radiation badges around nuclear facilities, according to the the ...
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