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!".
Q: What do you get if you cross a pig with a rat?
A: Pig rat sine theta.
发些冷笑话
Q: Why won't Heisenberg's operators live in the suburbs?
A: They don't commute.
这么高啦{:9_272:}