NASA tech could track firefighters where GPS can’t reach

By Devin Coldewey

In the chaotic environment of a fire or disaster area, knowing where your fellow firefighters and first responders are is of the utmost importance, but GPS and other positional tracking systems aren’t always reliable. A project from NASA’s Jet Propulsion Laboratory aims to solve this with a tracker that relies on a totally different kind of electromagnetic phenomenon. Read More

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Source:: TechCrunch Gadgets