[Adrienne]

Originally Posted by cacheborn

This is funny.

A neutron walks into a bar. "I'd like a beer" he says.
The bartender promptly serves up a beer.
"How much will that be?" asks the neutron.
"For you?" replies the bartender, "no charge"

(Hint for non-physicists : Neutron is a particle that has no charge, positive or negative. )

hahaha!!