We're going to talk about noses today-but first, we're going to talk about laminar flow, Poiseuille's Law, and why size really does matter. *ahem* Everyone knows that drinking through a larger straw is easier than drinking through a smaller straw, even if you're drinking a thin liquid like soda or water. But if you stop and really check the difference between the two holes, it only takes a millimeter or two to make a huge difference in the amount of liquid you can move. What