The Real Trick (n): 1. The as-of-now unknown materials, processes, parameters, and events that make time travel possible. 2. The infinite possibilities of any one given moment in space and time. 3. The real deal, brass tacks, the science behind the magic. 4. Vehicle of unknown make, model or origin spotted in photographs taken during moments of both historical and cultural significance in different points of time. It's purpose is unclear, and no explanation can be made of it's appearances.