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A New Theorem Maps Out the Limits of Quantum Physics
The result highlights a fundamental tension: Either the rules of quantum mechanics don’t always apply, or at least one basic assumption about reality must be wrong.
New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong
The Frauchiger-Renner thought experiment has shaken up the world of quantum foundations.
Quantum Theory Rebuilt From Simple Physical Principles
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.
A Private View of Quantum Reality
Quantum theorist Christopher Fuchs explains how to solve the paradoxes of quantum mechanics. His price: physics gets personal.