Lecture 04

I tried my best to explain what happens to lines and planes beyond 3D. I don't think I did a good job on that...heh. Even I don't really understand what's going on.

The other thing that I have to remember is that I should avoid saying the word "intuition." It's a difficult word to pronounce.

When I tried to illustrate that a line in 3D might have more than one orthogonal vectors, I was waving my arms around like I was doing an impression of an elephant...