If you haven’t caught the Numberphile video series over on YouTube, you don’t know what you are missing. These short videos by Dr. James Grime and Brady Haran provide brief, simple-to-grasp explanations of a variety of somewhat sophisticated mathematical topics. For example, yesterday’s new video covered some territory to which I had not really given any thought in years: the fact that 0! is equal to 1.
“You’ve broken maths, Brady. Stop that!”