Didn't they make one at CERN?
Also I've been reading about space recently and it's all been a huge lie over at NASA and the common space model is all wrong and it's all just one huge electrical grid and space travel is going to be HUGE! And easy!
They target the nerves in your teeth b/c they are an easy target and cause a lot of pain. Also the vagus nerve which regulates a ton of bodily functions.