A LOT: http://phet.colorado.edu/en/simulations/category/new http://phet.colorado.edu/en/simulations/category/new It is indeed very cool, if they can all be por

A LOT: http://phet.colorado.edu/en/simulations/category/new http://phet.colorado.edu/en/simulations/category/new It is indeed very cool, if they can all be ported to modern web, you can do a lot of cool things with them. here's an example of some work I did a while back that uses those sims in a digital notebook type environment: http://schoolnotez.com/ http://schoolnotez.com/