Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

He works in mysterious ways.

Abstract: For 3D walking control of a biped robot we analyze the dynamics of a 3D inverted pendulum in which motion is constrained to move along an arbitrarily defined plane. This analysis yields a ...

Some call it the gig economy. Others call it the peer economy. Others, the collaborative economy, or “collaborative consumption.” Still others, the sharing economy. As Fast Company contributor Rachael ...