Brane cosmology - Wikipedia
P.S.
I couldn't work out in my head what would be an appropriate order in which to enumerate the vertices of a four-dimensional hypercube given e.g. by
α+βi+γj+δk
where each of the Greek letters is 0 or 1.
And he sketched a crooked tesseract.
Get ready, today's video is the promised #4D levels in #SuperMario64 video, and I'm also releasing it as a download on my website with the .obj files included so you can mess around with it in #SM64 #ROM Manager! My first new #RomHack in almost a decade, the first custom levels I've made to be shown publicly, and the first new #RomHacking video I've made since June 3, 2013!