An interactive physics simulation of Brownian Motion (with option to ignore collisions from air particles pushing down).
Brownian Motion is the random motion of particles that are suspended in a gas or a liquid. Drag the first slider to see what's going on behind the scenes and play around with the physical parameters. You can also download a snapshot if your particles draw you something inspiring.
This demo was plagiarized from a demo showing full Brownian Motion at http://labs.minutelabs.io/Brownian-Motion/
To understand this demo, read the blog post: Half-Brownian Theory of Flight.