What is GlowScript? This is an web-based programming tool that is essentially the same as VPython and it's awesome. Ok, now to continue with the tutorial. Today let's look at gravity.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Vpython does all the stuff that python does (and I have a good python book). The one huge advantage of EJS is that it can export stuff to put in a webpage and share with others.