Each one of these dots is moving in a straight line. Still you will probably see a bunch of dots moving around the same center. (... to put it into a nutshell: a circle) Press space to regulate the ratio manual. Press space again for auto-mode.
https://www.youtube.com/watch?v=snHKEpCv0Hk This video of the youtube-channel numberphile inspired me to program this little animation.
