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(Source: Digital Journal)   Amid reports of drones trespassing or crashing, a company has come up with a novel way to make remote control aircraft safer — by tethering them to a wire for quick retrieval. Remote-control aircraft, known as drones, are notoriously prone to failure — turning airborne hunks of metal into cannonballs that can plunge into a speeding car or on … [Read more...] about Invention Using Fishing Line Reels in Runaway Drones