So I was reading Slashdot and came across a link to Physics Jokes. They are HILARIOUS. Well for me at least.

Did you hear about the restaurant NASA is starting on the Moon? Great food, no atmosphere!

Two atoms bump into each other:
“I think I’ve lost an electron!” says one.
“Are you sure?” replies the other.
“I’m positive!”

(I’d be surprised if any of you got this one:)
“What’s new?”
“E over h.”

Heisenberg is pulled over for speeding:
“Do you know how fast you were going?” the police officer asks, incredulously.
“No,” replies Heisenberg, “but I know exactly where I am!”

A physicist, who has spent the evening out, is caught by his wife trying to sneak into his house early the next morning. Saying that he has something to confess, he tells of meeting a woman in a bar, drinking too much and winding up going home with her. “You shit,” his wife screams, “you’ve been working late in the lab again!”

Q: What do you get if you cross a pig with a rat?
A: Pig rat sine theta.

So this neutron walks into a bar, orders a pint of lager and begins to open his wallet when the barman says, “For you, no charge!”.

On a bumper sticker with white lettering on a red background: “If this sticker looks blue, you are driving too fast.”