... a photographer, I'd do a photo essay of departmental doorstops. For example: Geology uses a rock, Biochemistry uses a rotor, computer science uses a CRT monitor, and the gym uses a dumbbell.
... a yoga instructor, I'd play Zero 7 during my class.
... a computer programmer, I'd create an algorithm-based quiz about what life would have been like if you lived 100 years ago. If you've had your appendix removed, you probably would have been dead.
But I'm not.