Cellular Automata Laboratory
fourmilab.ch
fourmilab.ch
I'm guessing this is a bug in the specification of Rule #3 (newC should be 0 if the cell "dies" and N = 0), but I just wanted to make sure I wasn't misunderstanding something.
And the SlideScreen screen saver for Windows is still the best slide-show screen saver on that platform, after 15 years or more.
Not to mention how interesting John Waters, the creator of the site and Autodesk founder is.