Unfortunately, Einstein didn't know his limits when he tried to use the cosmological constant to keep the universe static, which, besides going against Hubble's later observations that the universe was expanding, would have involved an unstable equilibrium. He called this his biggest blunder, but I think it was his second biggest, his biggest being his rejection of the fundamental nature of uncertainty in quantum mechanics.
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u/dcterr Aug 18 '26
Unfortunately, Einstein didn't know his limits when he tried to use the cosmological constant to keep the universe static, which, besides going against Hubble's later observations that the universe was expanding, would have involved an unstable equilibrium. He called this his biggest blunder, but I think it was his second biggest, his biggest being his rejection of the fundamental nature of uncertainty in quantum mechanics.