The Slow Mo Guys, Gav and Dan, present their slowest ever episode in which they spin a compact disc at 23,000RPM and film it shattering at 170,000 frames per second. [video link]

http://feeds.boingboing.net/~r/boingboing/iBag/~3/DELqS44OOe4/video-shattering-a-cd-at-170.html