AMA | November 2021

In this book, Sean Carroll delves into the world of quantum mechanics, explaining how modern physics describes nature at its most profound level. Starting with the basics of quantum mechanics, Carroll discusses measurement, entanglement, and how the world is made of fields. He covers fundamental ideas such as spin, symmetry, Feynman diagrams, and the Higgs mechanism, providing a clear and accessible explanation of complex theories. The book is part of Carroll's series 'The Biggest Ideas in the Universe', aimed at making advanced physics concepts understandable for a broad audience.

In this book, Jennifer Ouellette delves into the science of self by undergoing various tests, including DNA analysis and fMRI scans. She explores the fields of genotyping, neuroscience, and psychology, using personal anecdotes and pop culture references to make complex concepts accessible. The book discusses topics such as the genetic components of alcoholism, the impact of drugs on the brain, and the debate over whether sexual orientation is a choice or determined by genetics. Ouellette concludes that while scientific investigations provide valuable insights, our personal narratives are essential to understanding our selves fully.

This book provides a comprehensive introduction to classical mechanics, including dynamical systems, vectors, calculus, Lagrangian mechanics, Hamiltonian mechanics, and electromagnetism. It is designed for those serious about learning physics and is part of the 'The Theoretical Minimum' series based on Stanford Continuing Studies courses taught by Leonard Susskind. The book aims to equip readers with the basic mathematical toolkit necessary to understand and engage with theoretical physics.

In 'The Janus Point', Julian Barbour presents a radically new answer to the question of why time seems to flow in one direction. He argues that the second law of thermodynamics has been misapplied and that the growth of order, rather than disorder, determines how we experience time. Barbour introduces the concept of the 'Janus Point', a moment of minimal order from which time flows in two directions, driven by the expansion of the universe and the growth of order in galaxies, planets, and life. This theory offers a hopeful argument about the destiny of our universe, suggesting that order can grow without bound rather than leading to disorder.