Huge Spinning Blade POV Display is Not for Kids

We've seen some cool POV display setups in the past, like this bicycle spoke Obama propaganda message » 11/23/08 10:00am 11/23/08 10:00am, but I don't recall one that could both amaze a person and take their limbs off at the same time. Called the "Display from Hell," that's pretty much what this thing does, all while projecting POV images using 100…