Labratory Jokes:
If you don’t know what you’re doing, do it neatly.
Experience is directly proportional to equipment ruined.
No experiment is a complete failure. At least it can serve as a negative example.
Q: What is the most important rule in chemistry?
A: Never lick the spoon!
Q. Why do chemists like nitrates so much?
A. They’re cheaper than day rates
Kathleen S Evenhouse 