yet ANOTHER example of classical thinking genius

YouTube - New Scientist recreates a robot made by the ancient Greeks

for those who cant watch it. its essentially a wheeled platform that moves via a string pulled down a pole by a weight which moves forwards or backwards depending on which way the string is wrapped around he axle, its also 'programmable' by the use of pegs stuck into the axle that allow you to maybe reverse the direction of the string and make it move in a predetermined way on its own.