//talking about how to make soap Pham: You know what they use in soap? They used to use animal fat. You know? McDonald's, Burger King, Chinese restaurant... Class: Chinese restaurant?! *snickers*
Schafer: ..So it's like if you drop a soap bar in the shower and it slides due to little friction. Student: Don't drop the soap bar! //Class laughs Schafer: Yes.. don't drop the soap bar. Then you'd get a soapy floor.