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Innovations

Scientists are teaching drones to hunt down human screams

Researchers developed a drone-carried acoustics system to find people calling out for help

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June 17, 2021 at 10:21 a.m. EDT
A team of German researchers designed a drone surveillance system to find people screaming for help. (Franhofer FKIE)
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If someone created a flying machine capable of tracking you down by listening for your voice, you might be creeped out.

But what if you were pinned under a pile of rubble after a natural disaster and first responders couldn’t locate you? Maybe then a human-seeking drone wouldn’t be such a terrible idea.