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#4831
822
⚐ Report// Freshman Chem, Pham is discussing quantum states and electron configurations Pham: Okay guy, I going to demonstrate the s, p, d, and f electron orbitals with wooden model. // Pham takes out the s, p, and f models, the d model is missing // With a serious face Pham: Hey! Someone took the D!
#4829
1414
⚐ Report//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.
#4794
5355
⚐ Report// In Quantum, discussing blackbody radiation Raanan: So a peak in the blue range is for colder objects? Schafer: No, blue means hot! Blue is always hot! Blue is hot, hot, hot! // Class stares at Blue Blue: Uhhhh. Schafer: That's gonna be awkward.
#3934
46
⚐ Report//Quantum physics: Thomas is discussing Bas van Frassen, who believe that we have no proof that electrons exist because we have never observed them Thomas: Well, just because something is too small to be seen doesn't mean it doesn't exist. You can make observations that support its existence even if you can't actually see it. Evan: Right. Otherwise, how would you be able to pee?
#3843
1717
⚐ Report//During Sci-Bowl Prax, after a quantum question Hyun: Oh, I thought you said cow-on or something. Viju: Tau-on, not cow-on. Rebecca: That's where muons come from.
#1420
22
⚐ Report// in Quantum Video: ...[Einstein and Schrodinger] planned a full frontal assault on Neils Bohr! * class laughs *
#1386
2123
⚐ ReportPeter Q: [Bio is really complicated.] Why do you think biologists work 20 hours a day? Joseph: You mean 28 hours a day, don't you? Peter Q: No, those are the quantum physicists. Joseph: Oh right, because their first assignment is to invent a time machine. Peter Q: Right. We biologists just engineer cuttlefish to kidnap the physicists so that they build one for us.
#1348
99
⚐ ReportSchafer: I'm thinking of one more word. It starts with "fun" and ends with "mental." There's a "duh" in the middle.
#1216
77
⚐ Report//Scott L. finishes answering question for QED Chapter 3 presentation Schafer: That was an excellent explanation for something you didn't really understand.