Here we have a squiggle. Guess what happens if you take a 2D squiggle in 3D space and look at it from the side?
Oh look, it's another straight line! I invite you to form your own conclusions about the relevancy of the fact that any 2D shape viewed in 3D space from the side is a straight line. If you get bored, here's an amusing paper: Curviness and Squigglyness -- New Paradigms in Automotive Road Theory. |
