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Inspecting letters with terahertz waves

Is it a harmless parcel or a bomb, an innocent letter or a drug shipment? A new terahertz scanner is capable of detecting illicit drugs and explosives sent by post without having to open suspicious packages ...

May 21, 2014 2.7 / 5 (3) 0

Tweeting is not revolutionary, Humphreys says

Users of Twitter and other social media receive criticism for broadcasting mundane things about their lives, but a Cornell researcher says the idea of chronicling everyday life for a broader audience is not novel – though ...

Jul 24, 2013 not rated yet 0

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