Airborne bugs equipped with sensors, microphones, and cameras will one day go wherever people cannot. Science Daily reports:
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Research conducted at the University of Michigan College of Engineering may lead to the use of insects to monitor hazardous situations before sending in humans.
“Through energy scavenging, we could potentially power cameras, microphones and other sensors and communications equipment that an insect could carry aboard a tiny backpack,” Professor Khalil Najafi said. “We could then send these ‘bugged’ bugs into dangerous or enclosed environments where we would not want humans to go.”
The principal idea is to harvest the insect’s biological energy from either its body heat or movements. The device converts the kinetic energy from wing movements of the insect into electricity, thus prolonging the battery life. The battery can be used to power small sensors implanted on the insect (such as a small camera, a microphone or a gas sensor) in order to gather vital information from hazardous environments.