This is a quadrotor surrounded by a circular piece of foam that makes it capable of (among many other things) balancing itself sideways like a wheel and rolling along the ground.
Via IEEE
Quadrotor Wheel Can Fly, Float, and Roll
This is a quadrotor surrounded by a circular piece of foam that makes it capable of (among many other things) balancing itself sideways like a wheel and rolling along the ground.
Via IEEE
