Four Dimensional Maths: Things to See and Hear in the Fourth Dimension - with Matt Parker
The Royal Institution3 HN recommenders · recommended in 3 months, 2017-2022
3.1M views · 11 years ago · talk · evergreen
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.
Recommended as an enjoyable, accessible talk for building intuition about higher dimensions.
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3 comments from Hacker News
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.
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)
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)