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" ... In the meantime, enjoy this video of a quadcopter remotely charging a watermark sensor. ... "
" ... Made by Russia's Innovative Integrated Systems (IKS), the Fixar drone has both fixed-wing and ... [+] quadcopter properties. ... "
" ... One of the most notable things missing from Ghost 4 is an easily detected, loud quadcopter noise signature. Josh Wolfe, co-founder of Anduril investor, Lux Capital, tweeted that Ghost 4 is “super silent” as seen in company video of the drone. It may not be super silent but it is decidedly quieter than commercial drones. ... "
" ... Ring’s Always Home Cam is a quadcopter built only for indoor flight, its small rotors contained in boxy protective grills. Its body, dangling from below the rotors, contains a 1080p video camera, which effectively shutters itself inside a charging station when the drone is at rest. While the dimensions are not yet public, the largest Ring device on the market today is barely longer than 5 inches, and it is safe to assume the Always Home Cam will be somewhat similarly proportioned. ... "
" ... “The Indian Army appears to be using three types of UAV: a quadcopter probably for sensing, a six-rotor mothership drone, and the small quadcopters with explosives on them,” Kallenborn told me. “National security discourse in the United States around drones often emphasizes a large homogenous swarm, but India's work shows this is a mistake.” ... "