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04/20/2019
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04/18/2019
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Technology
Micro plane perches to feed on power lines - Miniature surveillance aircraft would never need to return to base if they could cling to overhead power lines to recharge their batteries. Now engineers at the Massachusetts Institute of Technology are close to perfecting the trick – taking inspiration from birds.It is no easy feat for an aircraft to slow down quickly in mid-air to hook onto high-voltage cables with enough precision to avoid bridging and shorting neighbouring wires. The MIT engineers' answer is to send their 30-centimetre-wide micro air vehicle (MAV) into a controlled stall, pointing its nose up at just the right point in its trajectory to collide with and hook onto the cable.
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