hah, check this out:
[url]http://www.telegraph.co.uk/science/science-news/6318034/Could-the-Large-Hadron-Collider-be-held-back-by-its-own-future.html[/url]
[quote]
The pair's hypothesis centres around the Higgs Boson, a mysterious tiny particle and building block of life that it is hoped the LHC will discover.
They have come up with a theory that it will "ripple backward through time" and stop the collider before it could make one, like a time traveler who goes back in time to kill his grandfather.
[/quote]