Tweet it - http://bit.ly/nSXk5P Facebook it - http://on.fb.me/pZvLRO minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! In this episode we take a break from physics and do a little fuzzy math. But not really: this is actually relevant to physics! Come back and I'll explain later. Created by Henry Reich