Scratchbot

Borrowing a trick from the lowly rat, the SCRATCHbot uses whiskers instead of cameras to see in the dark. Researchers at the University of Bristol in England hope to deploy the poodle-size ‘bot in search-and-rescue missions where vision is impaired, like in mines or smoky rooms. Its 18 whiskers move back and forth five times per second. When a whisker bends, a sensor on its shaft signals software to orient the ’bot toward the object. Whiskers close to an object move less, while those farther away make wide, sweeping motions to establish the object’s exact edges.
brl.ac.uk