Ex-iRobot founder Helen Greiner’s new company, CyPhy Works, has been doing something secret involving drones for the last several years, and as of today, we’ve found out what it is: UAVs that can operate for “unlimited” amounts of time. It’s not some sort of fancy fuel cell or wireless power transfer technology; rather, if you look closely at the image above, you’ll see that CyPhy’s UAVs are using a new solution that is actually very old: an unbroken, continuous cable that connects the UAV to its ground station at all times.
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