PBS Space Time PBS Space Time

Does Consciousness Influence Quantum Mechanics?

Sep 15, 2026 · 23m

Summary

This episode explores the persistent myth that consciousness directly influences quantum mechanics, tracing the idea back to early interpretations by Bohr, Heisenberg, and von Neumann. The hosts examine the double-slit experiment and the "measurement problem," explaining how the von Neumann-Wigner interpretation suggested that conscious awareness collapses the wave function. They clarify that modern physics, particularly through quantum decoherence, shows that interaction with the environment—not the mind—causes the appearance of collapse, debunking "quantum mysticism" and self-help claims.…

Topics discussed

Sponsor: Indeed Sponsored Jobs Introduction: Quantum Mechanics and Consciousness The Copenhagen Interpretation and Double Slit Experiment The Von Neumann Chain and the Measurement Problem Wigner's Friend Thought Experiment Historical Views: Bohr, Heisenberg, and Schrodinger Quantum Mysticism and New Age Misinterpretations Revisiting Wigner's Friend and Objective Reality Quantum Decoherence and the Multiverse Preview Q&A: Axions as Dark Matter Q&A: Varying Constants and Quantum Fields Outro: Newton's Principia and Monkey Taxonomy
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