Chemistry Class
Published Jan 01, 1900
During class, the chemistry professor was demonstrating the properties of various acids. "Now I'm going to drop this silver coin into this glass of acid. Will it dissolve?" "No sir," one student called out. "No?" queried the professor. "Perhaps you can explain why the silver won't dissolve in this particular acid." "Because if it would, you wouldn't have dropped it in!"
Originally published November 14, 2002.
