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Physicists are trying to rewrite the axioms of quantum theory from scratch in an effort to understand what it all means. The problem? They’ve been almost too successful.
The pot-stirring string theorist and quantum gravity theorist never sits still for long.
Recent calculations tie together two conjectures about gravity, potentially revealing new truths about its elusive quantum nature.
The two physicists who introduced Peccei-Quinn symmetry came up with their idea on and around Stanford University’s campus 40 years ago.