well if you see the predictions of Nostradamus..

He had said like this:

 "All should leave Geneva.
Saturn turns from gold to iron,
The contrary positive ray (RAYPOZ) will exterminate everything,
There will be signs in the sky before this."

   and this event is going to take place near Geneva.... He says that this might lead the Mayan Calendar ( which mentions the end of world as Dec 21st, 2012)... to turn out true

Remember whatever Nostradamus had predicted, has so far resulted true...

I am pasting the contents excerpts from a website here...

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Could French prophet Nostradamus actually have predicted that the Large Hadron Collider might produce a black hole or strangelet particle that could swallow earth or cause some other great disaster?

Did Nostradamus warn us from 400 years ago about "nuclear physicists gone wild" creating a Doomsday Machine? Could this be the cause the December 2012 Mayan calendar destruction of earth?

The main purpose of the Large Hadron Collider, we have already said, is to produce anti-matter and black holes and conditions just after the Big Bang.

However there are those would theorise that these black holes that are created and which contain the densest matter in the universe, will plummet to the very core of the earth. Then, slowly but surely they will grow, one particle at a time but at an ever accelerating rate.

Scientists have estimated that a stable black hole at the centre of the earth would consume not only France, but the whole planet in the very short time span of between 4 minutes and 30 seconds and 7 minutes.

In the above quatrain, Nostradamus mentions Geneva, and the "contrary RAYPOZ" could refer to a "contrary positive ray".

The Collider uses rays of protons positive charged, and "contrary" refers to a collision of two proton beams.

This ray will exterminate everything. Does that mean an earth swallowing black hole may be created? Or maybe there will be some kind of giant nuclear explosion from a black hole or strangelet particle that is created from it.

"Saturn turns from gold to iron" surely refers to a transmutation of elements, or maybe even a black hole created that will fly off into space and land on the planet Saturn, turning Saturn into a black hole.

"There will be signs in the sky before this". We have had an unusually high amount of UFO sightings this year with no let-up it seems. Could this be a warning of impending disaster? It seems like there are messages everywhere.

Whatever the outcome, we are all hoping to wake up on Thursday. Do you think we the world will end on Wednesday? Is there anything we can do?

source : http://www.virginmedia.com/digital/science/nostradamus.php