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Re: Using the Large Hadron Collider is likely to produce ...

by dHarry (Abbot)
on Oct 06, 2008 at 13:03 UTC ( #715564=note: print w/replies, xml ) Need Help??

in reply to Using the Large Hadron Collider is likely to produce ...

It’s 2009 after extensive testing and fixing the LHC is finally switched on to do its thing. A wonderful achievement! Surely the borders of science will be pushed and some of the most fundamental questions will be answered. The first results are truly spectacular. But then something happens...

Many tiny black holes are created, as much as one per second. But no problem, they are unstable and vaporize within a tiny fraction of a second. This is all according to calculations anyway. But next something unexpected happens; against the odds one of those baby black holes is stable. It is there to stay! Nothing seems to happen though; it simply escapes the lab and slowly sinks to the centre of the Earth attracted by gravity. Nobody will probably notice.

After some time the black hole bumps into an obstacle like for example an electron. It greedily swallows the particle. The black hole becomes heavier and pulls in some more particles, and more, and more… The black hole becomes bigger and bigger and bigger until it sucks up the Earth’s core, the mantle and then the entire Earth. Oops.

Fortunately it takes the black hole probably hundreds of thousands of years to mature. All the time we need to evacuate the planet. The probability on something happening like described is considered "acceptable small".

I am going to watch the Black hole again;-)

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Re^2: Using the Large Hadron Collider is likely to produce ...
by gregor42 (Parson) on Oct 07, 2008 at 13:27 UTC

    There is something else going on also however. It is not a one-way process.

    Hawking Radiation is generated by that black hole. What goes in must come out.

    At best, it ensures that yes, these black holes are unstable and degenerate into boson soup. At worst it will at least offset the growth rate in some way and buy us some time.

    Wait! This isn't a Parachute, this is a Backpack!

      Yes... I know, in fact Black Holes are pretty complex.

      -> Black holes with masses less than about 10^11 kg can evaporate in less than the age of the Universe*. A comforting thought;-)

      Well mankind will probably be extinct in much less time anyway...

      But IMHO a lot of "facts" on Black Holes are rather speculative. Theoretical physics going wild. The Math involved is often horrible. (Again IMHO).

      * source: Hawking Radiation

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