Object: a slide rule, a cook book, and a map.

Good morning, boys and girls. Isn't it wonderful that we know so much about so many different things? It is also amazing that the things we don't know about somebody else does. Where do we get all of our answers? Let's suppose that you wanted to have a chicken dinner today, but you wanted it fixed differently than you have ever eaten it before. What will your mother do? I know what she will do. She will go to her cookbook and look up all of the ways there are to fix chicken and then let you choose your way. Let's suppose that you have a very difficult arithmetic problem to figure out and you just can't find the answer with any of your methods. What will you do? You may take your problem to an engineer and he will take out his slide rule and in…