Four Dimensional Maths: Things to See and Hear in the Fourth Dimension - with Matt Parker on HackerTube: recommended by 3 Hacker News commenters across 3 separate months, 2017–2022.
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.
“I love Matt Parker's take on the fourth dimension”
3 Hacker News comments link this video. Each one links back to its thread.
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
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
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