Samuel’s hands were shaking as he walked to the table. All these important people were watching him. But then he remembered his father’s voice. "Trust yourself, Samuel." He picked up a fuel injector. He asked for a magnifying glass. One engineer handed it to him, smirking. This was clearly a joke. Samuel held the part up to the light. The room was completely silent. Then something happened that shocked everyone. Samuel pointed to a tiny, microscopic scratch. "There," he said. "The ghost is in th