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quantum physics

A New Theorem Maps Out the Limits of Quantum Physics

December 3, 2020

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.

Art for "New Quantum Paradox Clarifies Where Reality Goes Wrong"
quantum physics

New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong

December 3, 2018

The Frauchiger-Renner thought experiment has shaken up the world of quantum foundations.

Quantum reconstruction
quantum physics

Quantum Theory Rebuilt From Simple Physical Principles

August 30, 2017

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

June 4, 2015

Quantum theorist Christopher Fuchs explains how to solve the paradoxes of quantum mechanics. His price: physics gets personal.