“He smiled proudly at the machine Ephraim was staring at. "That's our Coheron Drive. Isn't she beautiful? I helped build her." Ephraim glanced at the coin in his hand. Zoe patted his shoulder comfortingly. "Don't worry. Size doesn't matter in quantum mechanics," she said. "It's how you use it.” HumorJoke Book:Fair Coin Source: Fair Coin