"Hmmm," says the theorist, "That's exactly where you'd expect to see that peak. Here's the reason (long logical explanation follows)."
In the middle of it, the experimentalist says "Wait a minute", studies the chart for a second, and says, "Oops, this is upside down." He fixes it.
"Hmmm," says the theorist, "you'd expect to see a dip in exactly that position. Here's the reason...".
=)
I would use an emoticon but the happy one's on this site aren't too cute.
![Crying or Very sad :cry:](./images/smilies/icon_cry.gif)