How Do You Build a Time Machine? And Other Puzzles with Science.

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This book is filled with fascinating scientific and mathematical puzzles, all based on real-world principles. Learn why the size of the moon appears to change, the probability that any two children are girls and what noise ice cubes make when you drop them in hot soup. The solution to each problem contains a scientific or mathematical explanation so not only are you solving puzzles, you are learning the secrets behind the most significant mysteries of the universe. Astound your friends, impress party guests and annoy your relatives with this awesome book filled to the brim with interesting trivia. This hardback book has 144 pages and 20.5 x 13.5 x 1.5cm.