using as little material as possible. The engineer forms the flock into a circular shape and constructs a fence around it. The physicist builds a fence with an infinite diameter and pulls it together until it fits around the flock. The mathematicians thinks for a while, then builds a fence around himself and defines himself as being outside.
- My new girlfriend asked me how many girls I’ve slept with.
- Me: When i donate blood i do not extract it myself. A nurse does it for me