They can be used in all sorts of applications, from mapping ... Horizon Unmanned Systems based out of Singapore claims their quadcopter can fly for up to four hours on a single charge, or up ...

Inverted Quadcopter? That generally means a crash is soon to follow. Not so for a new crop of quadcopter fliers. These new quadcopters are capable of sustained inverted flight. We’ve seen ...

To demonstrate their new technology's capabilities, researchers fitted a palm-sized, commercial quadcopter drone with ... The new technology has potential applications in search and rescue ...