Russian startup, Hoversurf, designed what is thought to be the world's first fully-manned hoverbike. Video of the prototype shows the product, which combines a motorbike design with quadcopter ...

Quadcopters are great for maneuverability and slow, stable flight, but it comes at the cost of efficiency. [Peter Ryseck]’s Mini QBIT quadrotor biplane brings in some of the efficiency of fixed ...