There's plenty of UAVs out there capable of dropping things, but comparatively fewer that are able to pick things up. Some researchers at Yale University doing their part to change that, however, and have recently shown off their so-called Yale Aerial Manipulator; a UAV with a robotic hand. While that may not exactly sound like much, the four-fingered hand is able to "autonomously" grab objects that weigh up to two kilograms while the UAV is i
