Talks to Watch

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

3.1M views · Feb 25, 2015 · 1:01:40 · 3 HN recommenders · 3 mentions · discussed 2017–2022

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 points people here: Recommended as an enjoyable, accessible talk for building intuition about higher dimensions.

“I love Matt Parker's take on the fourth dimension”HN comment, 2018

What Hacker News said 3

Strongly recommendsIngoBlechschmidMar 2018

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

Enjoyable hour-long general audience talk on the fourth dimension

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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: this video (Things to See and Hear in the Fourth Dimension) If you know German, then you might like this talk as well: link (The curious world of four-dimensional geometry)

in “Counterintuitive Properties of High Dimensional Space” · view on HN
Strongly recommendsProllyInfamousJul 2022

“The entire video in mesmerizing”

Visualizing a 4D cube plus mathematical party tricks

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For anybody whom might be interested in "what a 4D cube might look like..." this video The entire video in mesmerizing -- one of the coolest party tricks I've learned is the double-twisted morbius strip dissection.

in “Strange new phase of matter acts like it has two time dimensions” · view on HN
RecommendsjameshartJun 2017

“the whole thing is worth watching”

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

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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: this video (the whole thing is worth watching, but the bit about higher dimensional visualization starts there)

in “4D Toys: a box of four-dimensional toys” · view on HN