Why Fire is Cool - entry #2 - How Charcoal Changed the World

Entry #2 in my "why fire is cool" list starts with a brief introduction to charcoal and ends with humanity being changed forever.  It was around the time that I was waiting for the kebabs in the picture below to come off the grill that I learned what charcoal is, and that excited just about as many neurons in my brain as did eating the savory kebabs.