- What's all that stuff on the blackboard?
- It's a problem in celestial mechanics.
7 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:18:08 in the radio play.
Quote context
[...]
- Let's take a look through that window.
- I'll bet this is where he works. Look in there. Books all over. Blackboard's full of stuff.
- We'll go in and wait for him. I'm sure he won't mind.
- Gee, just think... all the brains that goes on in here.
- What's all that stuff on the blackboard?
- It's a problem in celestial mechanics.
- He'll never get the answer that way. Let's see...
- Hey, it says, 'Don't erase, don't touch'!
- You must be an arithmetic teacher, I bet.
- 'Differentiate - the - equation.' There.
[...]