Introducing the Gyromodel (originally from Mysteries of the Multiverse)
http://www.sciencedaily.com/releases/2012/01/120126115127.htm
?
I'll have to read that another dozen times to figure it out.
The Orrery
http://www.sciencedaily.com/releases/2012/01/120126115127.htm
?
I'll have to read that another dozen times to figure it out.