Beautiful, Impractical Physics » MIT Physics
https://physics.mit.edu/news/beautiful-impractical-physics/
WEBOct 29, 2020 · There are still some big “impractical” problems in fundamental physics, such as the fact that most of the mass in the universe is made of something that is not electrons, photons, quarks, gluons or neutrinos—the so-called “dark matter.” But experimenters and observers must sweat blood to probe those problems, and progress has been slow.
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