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POINTER is a new tracking system to help locate firefighters inside smoky buildings. The system is made up of a receiver, base station, and transmitter. (Photo from NASA/JPL)   Firefighters put their lives on the line every day. The fire itself is dangerous, but the smoke can also make it challenging to navigate and soon, the firefighter needs rescuing. To address this issue, NASA’s Jet Propulsion Laboratory and the Department of Homeland Security Science and Technology have teamed u ...

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