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Review title: An entertaining book on real world physics
Product review: This book is a breath of fresh air. Contrary to some books where abstract theories are discussed at length but whose connection with reality remains elusive, this book contains calculations on phenomena in the real and currently observable world. Approximations, i.e., back-of-the-envelope calculations, are performed for a great variety of physics topics that makes for truly fascinating reading. The math is mostly high school level with a small dash of calculus in a few cases. The text is clear and engaging and complements the calculations very well. The reason that I am giving it four stars instead of five is that there are several typos in the calculations and the units are not always carried through, i.e., numbers are often presented dimensionless when they are not. Otherwise, a fascinating read that I heartily recommend.
