this is a demo that was played at DCD two a year ago using an open source physics engine.
http://www.newtondynamics.com/downloads ... untime.zip
I came across it searching over the Intel website for optimization techniques for multi threading.
It was a nice surprised seeing they realize the source. because this demo created lot of controversia among the gratuitos physics engine appraisals in some open source graphics and physics forums.
Basically is was used as prof of the superiority of open source just because a big company like Intel selected a popular open source physics engine to make it, which of course it a huge Fallacy.
As you can see the demo could easily be executed by any ordinary physic engine.
The demo was not made to demonstrate how good the the physics engines was at mutithreading,
It was made by Intel to show the versatility of multicores CPUs.
But the self appointed experts in open source physics and graphics forums took it as a sign
that Intel was saying these engines was the better for Multicores.