Some people say that physicists have no sense of humor, well check this out:

A neutron walks into a bar and orders a drink. As the bartender brings it, the neutron reaches for his wallet. "No no" says the bartender, "For you - no charge".

hehehe...that one always cracks me up.

A mechanical engineer, an electrical engineer, and a software engineer were car pooling to work one morning when the car suddenly sputtered and died. As they coasted to the side of the road, the mechanical engineer immediately spoke up. "The problem is obviously mechanical - we should check the engine", he said. The electrical engineer then added in "you're wrong, the problem is probably electrical. We should check the wiring." The software engineer thought about it for a moment and said "Well, maybe if we all just got out of the car and got back in..."

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