I was happily surprised to discover that this performs just fine in my web browser. You can try it by clicking on the image below:
Then, just for fun, I started playing around with how the particles interact. I tried making them “sticky” so that instead of bouncing off each other they would clump together.
I was happy to see that the particles started forming and re-forming weird shapes, which make me think of alien creatures. Some of these creatures look a little scary. It’s a good thing they only exist inside a computer! Click on the image below to see the simulation: