This will keep you busy for hours just screwing around with it. Just move your mouse cursor over the black area below and see what happens.
I found the original applet at this page. It was easy enough to download the .jar file and include it in the post.
Fascinating… It’d probably be a little bit awesomer if it came in shifting rainbow hues. But it’s sufficiently awesome now that I spent about five minutes zig zagging and such about the space.
At Viki: Go to the source page and there is a rainbow version.