**spoiler alert** From the title of the book you will be confused that what is this book about really? But when you will start reading the book, you w**spoiler alert** From the title of the book you will be confused that what is this book about really? But when you will start reading the book, you will understand slowly. This book will not get you interested in math but who are already interested in math and have some kind of background in physics or math, they should read it. This book talks about 3000 year old journey of mathematics and how it influenced physics and other sciences. The book talks about geometry and how geometry is the key to understand the universe. How Euclid who was the father of geometry started his geometry and his ideas are no longer in use today in modern physics. Today scientist use non Euclidean geometry like hyperbolic geometry, spherical geometry etc to understand the universe. But one thing is pretty clear that Greek civilization started studying patterns in numbers and geometry in order to understand the universe. This book is divided into 5 parts and each part have 6-8 chapters. I like the format of the book. The book starts with the story of Euclid. This book also covers history of math at first and then it tells the story about the discoverer and ends it with a question so that we can find out the answer in the next part. This book tells us to look at the world from the lens of geometry and how geometry is still prevailing like in string theory in order to understand the reality and we don't know how far we can go with the help of geometry. Read this book of you want to perceive the world from mathematician's or theoretical physicist's perspective....more
**spoiler alert** This book tells us about the artificial intelligence and human life. As we know the author is a cosmologist and a machine learning e**spoiler alert** This book tells us about the artificial intelligence and human life. As we know the author is a cosmologist and a machine learning enthusiast and I think he has done a great job in explaining artificial intelligence in a very lucid way. In some chapters he went into depth about explaining how artificial intelligence works, what is intelligence? What is computation? And my personal favourite chapters in the book were last 2 chapters. The name of the chapters are goals and consciousness. And I like the way he described consciousness in his book. He have taken opinions and thoughts from other scientist about consciousness who are working in that field. While reading the book I have found out that author have mentioned many flaws about us humans. And it's true that we cannot built an AI without knowing ourselves better. After reading the book I think I now have gained some insight about AI, what is it and why should we strive to make one. In this book the author have mentioned about AGI (Artificial General Intelligence) and how difficult it's to make an AGI. Everybody must read this book once, if they want to find out what's going to be in the future and what kind of future we humans want to build?...more
**spoiler alert** Richard Feynman was the most brilliant theoretical physicist of 20th century. He got the noble prize for his work in quantum elctrod**spoiler alert** Richard Feynman was the most brilliant theoretical physicist of 20th century. He got the noble prize for his work in quantum elctrodynamics. His work is very much influential still today. The way the book is represented is very good. There are 6 chapters and in every chapter there are sub chapter. The author have done a great job explaining his personal life and his work life. Richard Feynman's life is more interesting because he worked in the Manhattan project and author have mentioned how he got into that project at the age of 27. How a boy from Far Rockaway went to win a noble prize, the journey is awesome. I like the last 3 chapters of the book that is Los almos, Cornell and Caltech. In those 3 chapters most of his life is covered. How he started his career and how he fell in love with his first wife Arline. I think he used to love physics as much as his wife. He used to solve problems very visually. He used to design his own method to solve any kind of problem. He always preferred originality. And he used to simplify the complex mathematics with his diagram that is Feynman diagram. In this book the author have also mentioned many other famous theoretical physicist with whom Feynman had worked like Freeman Dyson, Murray gell man, Hans Bethe, Oppenheimer. He liked teaching physics very much. And he used to disdain rote memorization of physics concepts without clear understanding what the concept is. He used to break down problems by using first principle and used to solve them from fundamental level. At last I want to say this book has done justice to his life and his work and how he will be remembered throughout the history of Physics and whoever loves physics....more
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