A team of researchers at North Carolina State University
has created a swarm of cyborg cockroaches,
nicknamed "biobots," that are equipped with microphones to pick up
sounds and trace them to their sources. The researchers hope the biobots
could one day be used in disaster-relief situations to locate
survivors.Each cockroach has a tiny circuit board "backpack" attached to it that researchers can use to control the bug's movement. Some of the biobots have a single microphone that can capture sounds at a disaster scene and send them back to personnel. Others have a series of microphones that can pinpoint the source of a sound and then steer the bug toward it.
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