Google Gravity
I believe this is a takeoff from the demo of box2dweb:<p><a href="https://code.google.com/p/box2dweb/" rel="nofollow">https://code.google.com/p/box2dweb/</a><p><a href="http://www.atomitware.tk/games/box2dwebdemo.html" rel="nofollow">http://www.atomitware.tk/games/box2dwebdemo.html</a><p>Pretty cool. Type something into the search box, press enter and see what happens. :)