This quadcopter drone can land on ceilings and walls
 

We've seen consumer drones of various sizes, as well as those with varying camera and photography capabilities, but what about when it comes to landing on surfaces other than the ground? Research students at Stanford University have been exploring that exact idea, and have developed a quadcopter that can perch on the ceiling, as well as walls in a vertical … Continue readinghttp://feeds.feedburner.com/~r/slashgear/~4/Cxttq4w7qxM

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