本書為 What If? 十週年紀念版，不止重新修訂，並增加全新插圖與註解，以更清晰的方式呈現那些看似荒誕卻引人深思的科學問題。從「光速九成的球會怎麼飛？」到「月亮若消失會發生什麼？」讀者跟著作者循著計算、模擬與查證，一步步理解科學背後的邏輯。Munroe 以一貫幽默筆調展示科學如何解答人們從未想過要問的問題，而 簡潔插畫讓複雜概念變得可親。十年後的增訂版本，不只是科學知識的延伸，也讓讀者在閱讀之間重新體會好奇心的力量。A special 10th anniversary edition of the million-copy bestseller What If? from the creator of the wildly popular webcomic xkcd--revised and annotated with brand-new illustrations and answers to important questions you never thought to ask.Fans of xkcd ask Munroe a lot of strange questions: What if you tried to hit a baseball pitched at 90 percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? What if everyone only had one soulmate? What would happen if the moon went away?In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators. His responses are masterp
