HackerTube

THE VIDEO SHELF · far future of the universe

Civilizations at the End of Time: Iron Stars

An Isaac Arthur episode on civilizations in the far future, past the Black Hole Era. It covers iron stars, Boltzmann brains, reversible computing and the idea of reversing entropy.

Watch & explore the libraryYouTube ↗

Why HN readers recommended it

HN recommends Isaac Arthur as an entry point for far-future and thermodynamic-endgame questions.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Isaac Arthur
Topic
far future of the universe
Format
explainer
Level
general
HN recommenders in dataset
4
HN mentions in dataset
7
Recommendation years in dataset
2017–2022

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • • Vi Hart (Math) [LINK] — I'm amazed nobody else listed her. She's my favourite math channel on YouTube (even though 3Blue1Brown is more technically informative, I just love Vi Hart's sense of style). • Isaac Arthur (Space / Futurism / Speculative Science) — [LINK] …

    spiralganglion on Hacker News · 2018-09
    In Ask HN: Favorite teachers on YouTube?

  • This brings to my mind Isaac Arthur's lecture "Civilizations at the End of Time: Iron Stars" [1]. He posits that a Kardashev Scale 3 civilization might use a galactic black hole to survive 10^100 entropic years of what he calls the "Black Hole Epoch". Hearing …

    yourapostasy on Hacker News · 2018-10
    In Astronomers Creep Up to the Edge of the Milky Way’s Black Hole

  • My go-to entry point for exploring those kinds of questions was Isaac Arthur. He goes into the Kardashev scale [1], dying Earth [2], dying stars [3], farming black holes [4], and going past iron stars [5]. A Boltzmann Brain's description bears remarkable similarity to the …

    yourapostasy on Hacker News · 2019-10
    In Not long ago, the center of the Milky Way exploded

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

Keep exploring