fully loaded roachSearch and rescue dogs are fine for finding trapped victims but cockroaches can go anywhere – unfortunately.

Rescue roaches are being developed by researchers at the University of North Carolina. Solar powered microphones and radio transmitters mounted on their backs pick up sound from any direction. The researchers use “acoustic steering” to make the roaches turn right or left, preventing the roaches from straying too far afield. Walking in sunlight recharges them. (That’s gonna be a tough one because roaches avoid bright light.)

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