Ephraim Fischbach and Jere Jenkins, Purdue University (IMAGE)

Purdue University

Ephraim Fischbach and Jere Jenkins, Purdue University

Caption

Purdue physics professor Ephraim Fischbach, at right, and nuclear engineer Jere Jenkins review radiation-tracking data as part of research to develop a system that would use a network of cell phones to detect and track radiation. Such a system could help prevent terrorist attacks with radiological "dirty bombs" and nuclear weapons by blanketing the nation with millions of cell phones equipped with radiation sensors able to detect even light residues of radioactive material. Because cell phones already contain global positioning locators, the network of phones would serve as a tracking system.

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Purdue News Service photo/David Umberger

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