HackerTube

THE VIDEO SHELF · high-dimensional geometry

Thinking outside the 10-dimensional box

3Blue1Brown visualizes high-dimensional spheres to explain a surprising puzzle about how a sphere fits in a box as dimensions grow. It builds geometric intuition for counterintuitive properties of high-dimensional space.

Why HN readers recommended it

HN recommends it as the go-to intuitive visualization of high-dimensional geometry, relevant to machine learning, optimization and sphere packing.

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

Video & recommendation details

Creator / channel
3Blue1Brown
Topic
high-dimensional geometry
Format
explainer
Level
intermediate
HN recommenders in dataset
6
HN mentions in dataset
9
Recommendation years in dataset
2017–2025

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.

  • A trick for visualizing higher dimensions: [VIDEO] Only 383k subscribers. Hmm. Remember to subscribe, comment, and smash that like button. Real Engineering is another great channel. And of course Veritasium and Numberphile.

    sillysaurus3 on Hacker News · 2017-10
    In What Is a Neural Network?
  • Don't forget 3Blue1Brown's incredible video about visualizing higher dimensions[1]. He's getting to xkcd levels of "Of course there's a relevant video" [1]: [VIDEO]

    jedimastert on Hacker News · 2018-07
    In Random Points on a Sphere
  • There's a great 3blue1brown video that demonstrates this unintuitive result in a relatively intuitive way: [VIDEO]

    kibwen on Hacker News · 2025-07
    In New sphere-packing record stems from an unexpected source

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

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