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.
Google has added a new certification with a free exam and a set of free resources for exam preparation. It covers best practices for creating, managing, measuring and optimising mobile websites.& [ ... ]