Index+of+Refraction

On the field trip to Philly, I was being stalked. Something was following me on the ride to Philadelphia, while I was in Philadelphia, and when I came home to Philadelphia. I did not know what it was that was behind me, for I did not see it. But I could feel that it was behind me, and no matter how fast I ran or how many fast ones I pulled, it would not leave me alone.

April 2, 2008: www.current.com

It was neither a person nor specter; it was an idea...

​ The Index of Refraction!