Do you know how much the earth weighs? Or how the speed of light was discovered? Or where the air pressure comes from? Albert Einstein was already fascinated with such topics as a child. With "breathless excitement" as he later said himself, he read in his children's book of science. More than 100 years later, I found a copy of this book in a used bookstore in Zurich and rewrote the most fascinating topics together with my children...
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