What In The World is Phi? And Why Do I Care?

I don’t travel in circles where we use words like Phi in a conversation. If you asked me a week ago what Phi was, the closest I could guess is:

Fee-fi-fo-fum, I smell the blood of an Englishman, Be he live, or be he dead I’ll grind his bones to make my bread.

And that . . . → Read More: What In The World is Phi? And Why Do I Care?