CmdrTaco from the look-up-in-the-air dept.
An anonymous reader wrote in to tell us about a microplane that perches on power lines to recharge its batteries being developed as a surveillance device at MIT. As you can imagine, landing on a power line is hard to do ... and charging off transmission lines has its own problems.
"If there isn't a population problem, why is the government putting cancer in
-- the elder Steptoe, c. 1970