Is The Future Predetermined By Quantum Mechanics?
Sep 14, 2026 · 21m
Summary
PBS Space Time explores whether the future is predestined by combining Einstein’s block universe with quantum mechanics. The episode contrasts the non-deterministic Copenhagen interpretation with the deterministic Many Worlds interpretation, analyzing how wave function collapse and entanglement interact with the relativity of simultaneity. It concludes that while the global wave function evolves deterministically, individual conscious experience remains undefined until it intersects specific entanglement networks.
Topics discussed
Sponsors: Indeed and Gatorade
Spacetime and the Block Universe concept
Relativity of the present and eternalism
The dilemma: Defined block vs undefined future
Quantum mechanics and wave functions
Sponsors: Indeed and Gatorade
Copenhagen interpretation and non-determinism
Many Worlds interpretation and determinism
Copenhagen interpretation vs Relativity
The problem of multiple observers collapsing wave functions
Sponsors: Indeed and Gatorade
Many Worlds and the branching block universe
Decoherence and entanglement networks
Determinism in Many Worlds and the nature of 'now'
De Broglie-Bohm pilot wave theory
Conclusion: Does the future already exist?
Sponsors: Indeed and Gatorade
Outro and preview of next episode
Q&A: Relativity of simultaneity and eternalism
Q&A: The duration of the present and consciousness
Q&A: Pop culture references and closing remarks
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