In the high school gym, all the girls in the class were lined up against one wall, and all the boys against the opposite wall. Then, every ten seconds, they walked toward each other until they were half the previous distance apart.

A pastor, a doctor and an engineer were waiting one morning for a particularly slow group of golfers.
Engineer: What's with these guys? We must have been waiting for 15 minutes!
Doctor: I don't know, but I've never seen such ineptitude!

 A physicist, an engineer and a mathematician were all in a hotel sleeping when a fire broke out in their respective rooms. The physicist woke up, saw the fire, ran over to his desk, pulled out his CRC, and began working out all sorts of fluid dynamics equations.

The graduate with a Science degree asks, "Why does it work?"
The graduate with an Engineering degree asks, "How does it work?"