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Dr. Arkani-Hamed said concerning worries about the death of the Earth or universe, “Neither has any merit.” He pointed out that because of the dice-throwing nature of quantum physics, there was some probability of almost anything happening. There is some minuscule probability, he said, “the Large Hadron Collider might make dragons that might eat us up.”Left out: Arkani-Hamed was talking about a possibility so small that the experiment could be run a million times a second between now and a billion years from now, and the odds are astronomical that it would not generate "dragons that might eat us up". Unfortunately, the English language word "minuscule" doesn't quite capture that quantum mathematical concept that anything could happen, and minds not trained in physics aren't quite able to grok the idea of the impossible being actually tremendously improbable. In quantum theory, all the atoms in your body might suddenly jump simultaneously six feet to the right. They almost certainly won't. It would be better if scientists discussing absurd possibilities used actually absurd (and equally unlikely) possibilities like "the CERN supercollider might generate a Welsh-speaking replica of Frank Sinatra in a blue tuxedo." Even Richard Posner gets it wrong in his book on catastrophes, but I'll give him the benefit of the doubt that he was writing in the law-professorish sense of creating an interesting hypothetical.
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