Conway's Game of Life in HTML5 canvas 15 years ago
I really like the interactions. I created an HTML5 Game of Life example using Canvas and Web Workers several months ago.
http://twoguysarguing.wordpress.com/2010/11/04/html-5-game-o...
http://benjaminplee.github.com/HTLM5-GoL/
I was planning on adding interactions like yours but never got around to it. Nice work!