Stop the LHC - until we know it's SAFE!

WHAT EXPERTS SAY


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LHC Magnet

In July, 1999 Scientific American published two highly-edited letters written by physicists Walter L. Wagner and Franck Wilczek in the Letters to the Editors section pertaining to theoretical particles that might be created by colliders. At that time, the LHC was still on the drawing board, and the RHIC [Relativistic Heavy Ion Collider], some 30-fold lower in energy than the LHC, was nearing completion.

This was apparently the first time that consideration was given in the scientific literature to the idea that particle colliders might create miniature black holes, as suggested by Dr. Wagner. Since then, numerous theoretical papers have been published suggesting that miniature black holes might be created under some scenarios, though with most suggesting they would quickly evaporate via "Hawking radiation", an untested theory first postulated by Steven Hawking in the early 1970s, and also suggested by Dr. Wagner as the likely result in his original letter to Scientific American.

The idea that colliders might create strangelets, as suggested by Dr. Wilczek, had been published in the scientific literature previously by other authors.

Those letters are reprinted below:

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