Blasted with the undeniable power of sound. You've seen Back to the Future, yes? Do you recall the beginning of that 1985 classic, the part where Marty plays a single chord on the amplifier taller than he was? Remember how he was shot directly to the other side of the room? That's what's going on here, going on with alarm clocks. The company known as Sonic Alert presents three alarm clocks capable of punishing your eardrums with 113 decibels of sound - that's enough to wake you up from just about any amount of knocked out.