On the workbench was a strange device constructed from twisting pipes of exotic metal and three colourful gems. This was Zachary's engine. He held it up at eye level and inspected it, and he was evidently pleased with his creation. But there was something left to do. He looked around furtively and found an open area in the workshop. He walked over there with his engine and gently placed it down. He pulled out a small apparatus which was, practically speaking, a pair of wires attached to a battery designed to initiate core sparking reactions. Checking that the coast was clear, Zachary applied the electrical current to two nodes on the engine.

Suddenly the engine jumped from the ground and bounced across the floor, with the sound of a roaring wind (and metal bouncing off a concrete floor). This little display caught the attention of everyone in the room who hadn't already been looking. Aware from the stares he was receiving from some of them that an explanation was in order, Zachary said cheerfully, "It works wonderfully." To his relief, the people in the room shrugged off his impromptu demonstration, despite it being against safety procedures. He just couldn't restrain himself from trying out his engine: a machine, not only wrought by his own hands but designed by himself too. And now that he knew it worked, he took great pride in it. All he needed was to build a control mechanism and a chassis and he would have a complete prototype. He could just sense the achievement.