Steven Weinberg: Why the Higgs Boson Matters
The announcement that the “Higgs boson” had been discovered at the CERN laboratory in Geneva made news around the world. Why all the fuss? New discoveries of elementary particles have been made from time to time without attracting all this attention. It is often said that this particle provides the crucial clue to how all the other elementary particles get their masses.
So what? Even if the particle is the Higgs boson, it is not going to be used to cure diseases or improve technology. This discovery simply fills a gap in our understanding of the laws of nature that govern all matter, and throws light on what was going on in the early universe. It’s wonderful that many people do care about this sort of science, and regard it as a credit to our civilization. On a longer time scale, the advance of technology will reflect the coherent picture of nature we are now assembling.
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