One of the most frustrating things about CDs and DVDs is that one bad scratch can render them worthless. Now a Denver startup called Scratch-Less Disc is marketing a version that can be clawed at, dropped–even smeared with peanut butter–and still play like new. To protect their playing surfaces, the discs are made with aerodynamic bumpers around the edges and a clear 4-micron layer of a polymer developed by General Electric. §
