If you want to see the sort of things it does, watch the following short video - but it is much more fun to interact with the simulation yourself:
If you visit the project's CodePen page. Tearable Cloth, called a pen in the CodePen jargon, then you can run the program to try it out and both examine and modify the code.
A short while ago Node.js was forked by a large group of its contributors who were unhappy with the way that Joyent was managing the project. While it was said to be a friendly fork, tensions mount.&n [ ... ]