# Talk:Safety of high-energy particle collision experiments

I have expanded the legal 'Legal challenges' section a bit to quote Johnson's appalling statement on p. 874 of his paper, that "Given such a state, it is not clear that any particle-physics testimony should be allowed in the courtroom", which I think deserves thought and attention.  
Taken seriously, it really might arrest the whole LHC project, and also seems to have the potential to stop any kind of future technical investigation demanding great specialized knowledge, if challenged by some allegedly serious danger.  Yet his argument does not seem quite ridiculous, given the realities of the human world—much as I (biased as I am) wish it could be dismissed out of hand. Wwheaton (talk) 18:55, 30 December 2014 (UTC)

I fail to see how an opinion of one attorney makes a case precedent or case law. It is an opinion only and a not highly valid one, as one can easily explain in a court of law that higher energy particles are measured striking the upper atmosphere of the Earth each and every day than what the LHC can produce. There are Constitutional issues as well, for prohibiting a scientist from testifying at a trial then removed that scientist's due process rights.Wzrd1 (talk) 22:11, 30 December 2014 (UTC)
First it is published in an academic, university law journal.  It is not case law, but it could be argued in court, and might conceivably be upheld.  It even has some internal logic (experts in particle theory are certainly mostly committed to the subject), though I agree the implications (only the ignorant can be qualified to testify) are ridiculous. Wwheaton (talk) 03:28, 9 December 2015 (UTC)

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While they don't pose an existential danger to the planet/universe, particle colliders are hazardous facilities, with risks that include high levels of ionising radiation, gas leaks in enclosed spaces (asphyxiation hazard), high-voltage equipment, working from a height, heavy crane loads (the LHC's only fatality ) and potentially flooding or tunnel collapse if located underground. I understand that the exciting science-fiction hazards receive more public attention, but it seems silly to ignore the everyday ones. — dukwon (talk) (contribs) 12:01, 24 June 2022 (UTC)

Continent of stability is dangerous. As with SQM, the further injection of neutrons (or heavy ions) can cause the piece of udQM to grow with the release of an indefinite amount of energy. A faster catastrophic conversion could occur … it raises the hope to produce this new form of stable matter by the fusion of heavy elements. With no strangeness to produce, this may be an easier task than producing SQM. This ensures the stability of ordinary nuclei and points to a new form of stable matter just beyond the periodic table.  Voproshatel (talk) 08:01, 4 September 2024 (UTC)