Friday, January 30, 2009


Scientists Not So Sure 'Doomsday Machine' Won't Destroy World

I spoke about the Great Filter before and how the Large Hadron Collider filled the bill. Creating tiny black holes never seemed like a good idea to me even if they disappeared in fractions of a second.

Now it seems that it might be even more dangerous than previously expected. These tiny black holes might hang around for awhile.

Rather, Roberto Casadio of the University of Bologna in Italy and Sergio Fabi and Benjamin Harms of the University of Alabama say mini black holes could exist for much longer — perhaps even more than a second, a relative eternity in particle colliders, where most objects decay much faster.

Which begs the question, is the LHC a doomsday device?

We're also wondering how often the LHC might create individual black holes, since longer-lived ones have a greater chance of merging with each other, and, um, well, see ya.

If the worst comes to pass, and there's now a slightly greater chance that it might, at least it might explain why we've never heard from extraterrestrial civilizations: Maybe they built Large Hadron Colliders of their own.

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