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Are Space and Time An Illusion?

PBS Space Time · explainer · Watch on YouTube

Fundamental physicsCosmology & astrophysics

What it is

A PBS Space Time episode hosted by Gabe Perez-Giz on the nature of spacetime and whether space and time are fundamental. It builds up reference frames and causality in a short, dense format.

Why Hacker News recommends it

HN commenters point to the PBS Space Time series as a high-quality, bite-sized way to learn modern physics concepts.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2016, last 2020

What HN commenters said

  1. “it is a great thing to watch when you've got a short wait for something.”

    Short PBS Space Time episodes on speed of causality

    tzs, 2020-11 · Strong recommendation · in “Warp Drive News”

  2. “this playlist of the excellent PBS Space Time series”

    Excellent PBS Space Time series explains reference frames

    spuz, 2016-12 · Recommendation · in “Quantum Gravity’s Time Problem”

  3. “here are some good ones around humans and the universe.”

    Foundational viewing list on quantum and the universe

    neom, 2017-02 · Recommendation · in “Theories about a link between the human mind and quantum physics”

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

Topics: spacetime, relativity, causality, reference frames, pbs space time

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