"Gazzy: "What does that mean?" (points to metal plaque warning to stay off the third rail that said Stay off the third rail!) Fang: "It means the third rail has seven hundred volts of direct current running through it. Touch it and you're human popcorn." "Okay," I said. "Good tip. Everyone stay off the third rail. Then I shot Fang a look that said, Thank you for that lovely image. He almost grinned at me." --