Leonard's Invention: Reality Altering Machine

Jon stared at his neighbour's invention, curious, nervous, and asked, "What does it do?" Leonard looked at Jon with a baffled look. "Why, I told you what it was going to do once I started building it! It's a *reality altering machine*, or *RAM* for short. With this baby I can change anything I want. Well, anything around town, anyway. It has a bit of a limited range." "You mean you this machine can change the world?" Jon asked. "No, it's more than that," Leonard replied, scratching his belly, "I can change reality itself. When I make a change, it becomes a natural part of reality, as if it had always been that way. I can change people, things, even history, or physics! With this machine, I can pretty much be a god!" Jon felt the pit of his stomach drop out at that. He knew Leonard was a nice guy, but he had some funny ideas about how the world should be. This much power in Leonard's hands? In *anyone's* hands? He decided he had to do something about it. Jon decided to...