Hi, Saw this as as result of reading Slashdot comments. The six minute Youtube video at the bottom of the page is well worth a look, even if you don't think you're interested in 2D physics.
http://www.phunland.com/wiki/Home I particularly liked when the friction of the blocks is adjusted, and the "climbing snakes". Available for Linux, amongst other OSes, but not as a package in Ubuntu's multiverse (non-free) respository. Cheers, Ralph. -- Next meeting: Dorchester, Tuesday 2009-09-01 20:00 Dorset LUG: http://dorset.lug.org.uk/ Chat: http://www.mibbit.com/?server=irc.blitzed.org&channel=%23dorset List info: https://mailman.lug.org.uk/mailman/listinfo/dorset