ends Lecture 1/27

We had a guest speaker today, Darrell Kuhn, speaking about patents.  I thought it was interesting that so many people invented the weirdest stuff.  Like the invention of putting a tube down the toilet to get the air during a fire, seriously.  It was a shock finding out how expensive it was to get a patent, I would think it would discourage some of those weird ideas, but it doesn't seem to have worked.