How Do You Build a Time Machine and Other Puzzles with Science, by Erwin Brecher

How Do You Build a Time Machine and Other Puzzles with Science, by Erwin Brecher, has studied mathematics, physics, psychology and engineering. He finds the book entertaining and fun for those who like science. The book's contents includes an introduction, puzzles and answers for the problems in the book at the very end. In this book, there are 98 pages of problems or puzzles as the book says itself which are suitable for brain training or it can be called as brain exercises. As recommended by the author, each problem is suitable to be spent time on for about a day or two. For an example, the first problem that readers are about to be challenged is about a time machine and everything about time. To find the answer, the reader needs critical thinking and a background knowledge of physics. However, at the very end of the book, readers can find their answers if they were not really able to solve puzzles. Moreover, most of this book includes problems of mathematics and physics. The interesting part of this book is when everything might seem fine and reasonable in a problem, but if reader pays close attention, she or he might find the answer without referring to the answer key. However, as mentioned earlier, most of these problems require a background knowledge of science taught in high school. 

To me, I sometimes find mathematics and physics fascinating since science is all about wonder so this book can be so entertaining for me. Unfortunately, I find this book with all of its entertaining problems, somehow annoying since it reminds me of school and homework, but it doesn't mean it is not good. I believe this book would be amazing for those who are passionate about science especially physics and mathematics. There are so many problems that can be so challenging for minds. However, some might not find it really interesting or some may find it annoying solving a bunch of physics problems. So this book is only good for those who are willing to spend their time solving physics problems. It all depends on you if you would like the book or not.

Reviewed by  Orkideh, Grade 12
Downtown Central Library