We all go through life blithely using everyday products without knowing why they are what they are or why they have certain qualities. We just accept them for their utility value, not bothering to ask why. Well, phew, thankfully Jon and Kurt have decided to ask the question and this episode brings their answers. Why do winter hats have that pom pon on top? Why are doorknobs made of brass? Why do wine bottles have an indention in the bottom? And so many more….Tune in and never look at an everyday product the same again.