Looks very easy to build too a little brown egg in Maine: terra cotta smoker.

This list includes distros for specific tasks: Damn Vulnerable Linux Tinfoil Hat Linux CAINE (digital forensics) CAELinux (engineering) a gaming linux Parated Magic (for manipulating your hard disk) Musix GNU + Linux (for making music) ZeroShell (for embedded systems) Mythbuntu and some very very small distro’s. 12 of the most interesting, unusual and useful Linux [...]

It could potentially also be used to regenerate bones Tooth Regeneration Gel Could Replace Painful Fillings : Discovery News.