This is a physics book that will make you crazy. In this book, all the boring physics knowledge is gone, and it only brings you crazy physics experience. Those questions that have confused you before - a fat man and a thin man jump off the bungee jumping platform at the same time, who will fall first? Can a refrigerator be used as an air conditioner? Why is it always so hard to stop when skating? ——You will find the answers in this book. Lively and interesting language, lighthearted and funny illustrations, coupled with "crazy" and fun experiments, can make you as completely "crazy" as the characters in the book without even realizing it.