Purdue University engineers are developing a system which would use a U.S. network of cellphones to detect dirty bombs and nuclear weapons. They say that ’such a system could blanket the nation with millions of cellphones equipped with radiation sensors able to detect even light residues of radioactive material.’ They add that the extra circuitry wouldn’t change much the thickness or the price of cellphones. They also say that these radiation-tracking cellphones could be customized to ignore some radioactive sources, like in hospitals. But you can imagine that such a network would probably trigger many false alarms. I’m also skeptical about the possibility of the integration of radiation sensors by manufacturers into their phones. But read more…

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Source: Roland Piquepaille