A neutron walks into a bar and orders a beer. The bartender servesthe beer, at which point the neutron asks how much it will cost. "For you," says the bartender, "no charge."
Two hydrogen atoms are enjoying a drink at a bar when one of them exclaims, "I think I've lost an electron!" The other asks, "are you sure?" The first one says, "yes, I'm positive."
A man is talking to his wife in the morning, and he mentions that the prior night he dreamed of a snowstorm in Panama,
"Ah," said the wife, "you were dreaming of a white isthmus."