Mythbusters: The crew test on CD-ROM discs to see will it explode when it’s being spun on high RPMs. Compact dist is made from 1.2 mm thick of very pure polycarbonate plastic. A thin layer of Super Purity Aluminium is applied (or rarely gold, used for its data longevity, such as in some limited-edition audiophile CDs) to the surface to make it reflective, which is protected by a film of lacquer. 10mins video…

[via Techeblog]