Us having a pure hear-say conversation until this point:
Him: "Yeah, no, suicide rates are definitely going up in celebrities. They were awhile before Robins died actually."
Me: "Oh?"
Him: "Yeah. Just recently, some girl stabbed herself in her trailer's kitchenette. She was in Walk the Line, blonde blue eyes an-"
Me: "Reese Witherspoon?"
Him: "No, with a knife."
Me: "..."
You win this time.
So he's lecturing about the Schrodinger equations and rotational motion of particles, and how it could be easier to find a solution to the equation if the spherical coordinate system was used. He explains how the system works, and then says while clicking to the next powerpoint slide:
"Let's look at a real world example."
Cue a picture of a satellite image of Earth on the next slide and groans from all of the class.
