CERN Page 22
I decided to do some research into your questions on the LHC, blackholes, and " has the large hadron collider destroyed the world yet" type stuff.
found a good link on it:
http://hasthelargehadroncolliderdestroyedtheworldyet.com/
hope it helps.
The destruction of the world has been postponed by 2 months.
http://www.cnn.com/2008/TECH/science/09/20/hadron.collider.damage.ap/index.html
LOL! this bodes well they turn the f**king thing on and it does that. Sounds like British workman ship...or Polish