This site has a cool kinetic sculpture that rolls and tosses marbles around. Be sure to play the video at the end of the page. You can go up the file hierarchy to see the whole site and his other ...

Equipped with a marble, some wood and the principles of potential energy, kinetic energy and gravity, one man built a remarkable machine that warps your very sense of what’s physically possible.

[A Science Reporter's Culture Walk] Where Engineering Meets Music: The Wintergatan Marble Machine Martin Molin, leader of the Swedish music band Wintergatan, personally designed and built the ...