..., the translator slowly discovered that the author’s style of writing has the style of a popular science writer, that is, the ability to present obscure and difficult technologies in a clear and concise way, and the in-depth and simple style is in each chapter. Each chapter is very concise and can be read in 5 minutes, showing the principle incisively with the most concise examples. Each chapter will use questions to guide the reader to actively think about the answer.