The Orb

A short explanation:

"The Orb" is a remote controlled ball, invented in 1987.

The ball moves by changing the centre of mass, by moving a pendulum inside the shell.

By tilting the pendulum to either side, the ball can turn.

Click here to see an animation of how it works (mpg, 3.5 mb).

©Copyright 2009, Per Samuelsson, phone +46 (0)501-70985, email: