Exactly why you’d want a water-powered and, in turn, CD-powered blade thing, I don’t know. I do know that it makes for an interesting YouTube video. No, it’s not as amazing as the New Haircut video (could be NSFW, I don’t know) but it’ll kill about two minutes of your long, boring day.
Jager bombs.
Hose-Powered Magnetic CD Turbine with Sawblade [Boing Boing Gadgets]
Wow, DANERGOUS. However its cool that you could harness energy that way, but I wouldn’t turn it into a saw that could cut my arm off.
It will take some nads to start the thing up.
I doubt he has actually tried it because, it seems to me that the water is flowing in the wrong direction. Should be from the inside to the outside to take advantage of the natural centrifical forces.
On the good side the magentic coupling should be weak enough to keep the blade from going completely through his bone.