The creator of the webcomic 'xkcd' provides serious scientific answers to absurd hypothetical questions. From what would happen if you tried to hit a baseball pitched at 90% the speed of light to how long a nuclear submarine could last on orbit, this book is a hilarious and informative journey into the limits of science and imagination.
Fans of xkcd, curious minds who enjoy 'science-splaining' with a sense of humor, and anyone who's ever asked a weird 'what if' question.