There is one possibility, however unlikely, that probably keeps the physicists most closely connected with the LHC up at night: - discu.eu

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There is one possibility, however unlikely, that probably keeps the physicists most closely connected with the LHC up at night: http://discovermagazine.com/2008/sep/10-heres-how-the-lhc-could-blow-up-the-world? 2 comments 20/9/2008 science