Tesseract?? As I read Wrinkle in Time, I’m lost on each dimension but especially the fifth where time and space FOLD? HELP me understand?
In: Planetary Science
There’s a lot to take on trust once we get past 3 dimensions (and a Tesseract is a 4-dimensional concept). We can observe 1 dimension, 2 dimensions, 3 dimensions, we can even kinda get our heads around a fourth dimension of time, but after that we’re into pure imagination.
A classic mind experiment is “flatland” where everybody and everything is 2-dimensional. In that 2D world, a line is as an infinitely tall wall would be to us. There’s no way to imagine another dimension. If you drew a shape on the 2d plane, it would spontaneously appear complete and infinite in the 2D world. Picking up a 2D person and putting them back down would mean they vanished and reappeared as if teleported. The problems the 2D world occupants experience understanding our 3D world are those we experience understanding a 4D+ world, so you’re not alone. It’s hard to understand, there’s a lot to take on faith.
Anyway a Tesseract is a 4D “cube” (insofar as that adequately describes anything!)
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