DARPA shows off a radiation detector
In the quest to make a better radiation detector, engineers at DARPA are taking a leaf from crowd-sourcing and have developed one that's small and cheap, integrates with a smartphone and sends its data to the cloud.
The gadget, on display at this week's Wait, What? conference in St. Louis, costs about $400 in volume quantities -- significantly cheaper than existing detectors used by public safety agencies -- and provides a more accurate picture of any potential threats, said Vincent Tang, an applied physicist working for DARPA.
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