//Pd. 7 Schafer quantum. The Heisenberg Uncertainty Principle was covered during the previous class.
//Mike leaves the room right before pd. 7 starts to look for his backpack. Schafer doesn't realize this.
//1 minute into class:
Schafer: Wait, where's Mike?
Eric: He went to look for his backpack.
//Mike comes back without a backpack.
Schafer: Where'd you go?
Mike: I went to look for my backpack and I still don't know where it is.
Naeem: Wait, isn't it right there? [Points to backpack.]
Mike: Oh yeah, thanks.
Student: That's like Brownian motion.
Schafer: How is it like Brownian motion?
Mike: Wait, no. It's like the Heisenberg Uncertainty Principle. I knew _exactly_ what its momentum was, so I didn't know where it was.
Schafer: Yeah, true. He knew _exactly_ how fast it was going, so he couldn't have had any idea where it was.
//A few minutes later, Schafer calls on Mike to explain something. The tables in the classroom are unusually arranged, so Mike can't get to the front of the room.
Schafer: Yep, I set up these tables like that _just_ so you couldn't get to the front of the room.
//Mike succeeds in getting to the front of the room.
Mike: Oh yeah? Well I just thwarted your plans!
//Schafer throws Mike a marker, but throws it badly intentionally, that way Mike can't catch it. Mike doesn't come close to catching it.
Schafer: Ha! What now‽
Mike: To be fair, I knew exactly how fast the marker was travelling.