at first i thought this might possibly be the greatest human invention ever.. but realised we didnt really invent it.. we kind riped it off from nature... i do believe it is considered "art"... now i dont wanna ruin the fun by telling you what this machine does.. infact all im going to say is the Cloaca Machine proves that there is no end to human insanity(IMO)

http://www.cloaca.be/machines.htm
the creators wiki page.. http://en.wikipedia.org/wiki/Cloaca_(art)

http://www.cloaca.be/machines.htm
the creators wiki page.. http://en.wikipedia.org/wiki/Cloaca_(art)