These changed how I think about higher dimensions

12:49
The real world applications of the dot product

16:21
Things get weird at infinity

23:16
The things you'll find in higher dimensions

27:11
Why no two people see the same rainbow

16:24
It really seems like our universe could be part of a hypersphere, but... it's probably not

10:33
Strange Spheres in Higher Dimensions - Numberphile

22:53
The Mathematics of our Universe

26:19