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

The Royal Institution · talk · Watch on YouTube

Recreational & visual mathPure mathematics

What it is

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 Hacker News recommends it

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

  • 3 people recommended it
  • 3 different months
  • 2 strong recommendations
  • first 2017, last 2022

What HN commenters said

  1. “I love Matt Parker's take on the fourth dimension”

    Enjoyable hour-long general audience talk on the fourth dimension

    IngoBlechschmid, 2018-03 · Strong recommendation · in “Counterintuitive Properties of High Dimensional Space”

  2. “The entire video in mesmerizing”

    Visualizing a 4D cube plus mathematical party tricks

    ProllyInfamous, 2022-07 · Strong recommendation · in “Strange new phase of matter acts like it has two time dimensions”

  3. “the whole thing is worth watching”

    Matt Parker lecture on how extra dimensions let you go around things

    jameshart, 2017-06 · Recommendation · in “4D Toys: a box of four-dimensional toys”

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

Topics: matt parker, 4d cube, topology, mobius strip, recreational math

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