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I don't see how quantum mechanics has something to do with: "lasers, microprocessors and iPhones" Seems to be things based more on classical physics... QM mayb

• rpcope1 12y ago
  For starters, lasers rely on population inversion and thus the idea that atoms exist in discretized states, which are really consequences of the quantum theory that emerges in the early 20th century. Likewise, modern solid state physics, which enables semiconductors and LCDs, is really built upon quantum mechanics.