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THE VIDEO SHELF · four-dimensional geometry

Four Dimensional Maths: Things to See and Hear in the Fourth Dimension - with Matt Parker

Matt Parker gives a hands-on Royal Institution talk on how four-dimensional shapes appear in a 3D world, with props like straw frames, Mobius strips and a knitted hat. It is a playful general-audience tour of the fourth dimension.

Why HN readers recommended it

Recommended as an enjoyable, accessible talk for building intuition about higher dimensions.

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

Video & recommendation details

Creator / channel
The Royal Institution
Topic
four-dimensional geometry
Format
talk
Level
general
HN recommenders in dataset
3
HN mentions in dataset
3
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.

  • I love Matt Parker's take on the fourth dimension: see for instance this one-hour long but very enjoyable talk for general audiences at the Royal Institution: [VIDEO] (Things to See and Hear in the Fourth Dimension) If you know German, then you might like this …

    IngoBlechschmid on Hacker News · 2018-03
    In Counterintuitive Properties of High Dimensional Space
  • For anybody whom might be interested in "what a 4D cube might look like..." [VIDEO] The entire video in mesmerizing -- one of the coolest party tricks I've learned is the double-twisted morbius strip dissection.

    ProllyInfamous on Hacker News · 2022-07
    In Strange new phase of matter acts like it has two time dimensions
  • I found this Matt Parker lecture provided some good tools for getting your head around the fact that extra dimensions really do let you go around things, not through: [VIDEO] (the whole thing is worth watching, but the bit about higher dimensional visualization starts there)

    jameshart on Hacker News · 2017-06
    In 4D Toys: a box of four-dimensional toys

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