Supercomputers help physicists understand a force of nature

What if the tiniest components of matter were somehow different from the way they exist now, perhaps only slightly different or maybe a lot? What if they had been different from the moment the universe began in the big bang? Would matter as we know it be the same? Would humans even exist?

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<p><a href="http://www.physorg.com/news71845731.html">Supercomputers help physicists understand a force of nature</a></p> <p>What if the tiniest components of matter were somehow different from the way they exist now, perhaps only slightly different or maybe a lot? What if they had been different from the moment the universe began in the big bang? Would matter as we know it be the same? Would humans even exist?</p>