Home Brew Hard Drive Silencer/Cooler
infodragon writes "As I was looking for ways to silence my system I ran across this article demonstrating a sandwich approach to silencing and cooling a hard disk. Quite a novel idea compared to other silencing techniques!"
Your fan can be always on, as can be your hard drive. The point being, it's a constant, steady noise source, which makes a perfect candidate for active noise cancellation.
Anyone tried it yet? Just record a sequence from your computer, then play it back and keep adjusting the phase until everything's quiet.