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Gut-Wrenching Gravity and Other Fatal Forces. by Anna Claybourne

出版	Franklin Watts, 2013
ISBN	144512503X9781445125039
URL	http://books.google.com.hk/books?id=ZAW3oQEACAAJ&hl=&source=gbs_api

註釋Imagine yourself falling... falling... falling and never reaching the ground. Well thats exactly what our planet is doing, and its taking you with it! Learn about all the disgusting and dreadful aspects of gravity. From blackouts caused by g-forces to toilet-troubles in space, this book is full of yucky, painful and fascinating facts. You can get your hands dirty too with some easy (and painless!) experiments.