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California Institute of Technology Engineers Make Tiny, Low-Cost, Terahertz Imager Chip  
12/10/2012 8:00:55 AM

A secret agent is racing against time. He knows a bomb is nearby. He rounds a corner, spots a pile of suspicious boxes in the alleyway, and pulls out his cell phone. As he scans it over the packages, their contents appear onscreen. In the nick of time, his handy smartphone application reveals an explosive device, and the agent saves the day.
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