Anyone up for P2P math piracy?

Penrose tiles are cool. The tesselation has a centre and no repeating sub-tesselation. A friend has a table covered in them ... I'll warn him not to use it as toilet paper. I wrote a program a very long time ago to render them - must dig it up.

I wonder if Newton's pissed that we've been using gravity all these years?

And Kepler must be livid...the planets following his laws of planetary motion so precisely. Those bastards!

This story is years old, I think I heard he was suing some toilet paper company at least four years ago. And I can't get through to the page for some reason.