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Why Parallel Universes Are Probably Real

Veritasium · explainer · Watch on YouTube

Quantum physics

What it is

Veritasium explains the many-worlds interpretation of quantum mechanics, drawing heavily on Sean Carroll's book. It walks through the Schrodinger equation and why wave collapse may be unnecessary if the universe keeps splitting.

Why Hacker News recommends it

Recommended as an accessible explanation of many-worlds versus single-world wave collapse.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2020, last 2025

What HN commenters said

  1. “Veritasium has a great video that explains the concept of parallel worlds vs wave collapse in a single world”

    Explains parallel worlds versus wave collapse in a single world.

    menzoic, 2020-08 · Recommendation · in “Physicists found a new quantum paradox that casts doubt on a pillar of reality”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: many worlds, schrodinger equation, sean carroll, wave function collapse

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