

(via Chip Chick)
This is the perfect gift for the physics lovers in your family, who will no doubt tell you that the depiction of the atom is wrong.(Yeah, they are funny too.)
So, to pre-empt that, when you hand over the shirt, say "Yes, I know that the Rutherford model of the atom is wrong, but it's darned hard to make an electron cloud design for all you nitpicking physics wankers. If you look this gift horse in the mouth, I'll go all Schrödinger on your ass."
Oh, did I say that out loud?