Overview

Humans have long been aware of the electric and magnetic forces around us, and scientific investigation showed that the two are intimately connected as electromagnetism. Lightning shows how devastating electricity can be in nature, while humans learned to exploit the flow of negatively charged electrons that make up an electric current. In the early twentieth century, the experiments of Ernest Rutherford showed that at the heart of atoms lies a positively charged nucleus. The positive charge comes from protons. Atoms are neutral because the charges of the electron and proton cancel out. The charges of the proton and electron are opposite and equal, even though the proton is bigger. But why are they equal? This is one of the deepest unresolved puzzles of physics. Frank Close takes us on a journey into the quantum subatomic world of particles. He describes the strong and weak forces that operate alongside electromagnetism, the color and flavor charges, as well as the parallels between them, giving hints of a deeper unity. Seeking an answer to why matter is neutral brings us to fundamental forces and particles, the Standard Model, the Higgs boson, and implications of grand unification for the stability of matter. Close packs in a rich account of our current understanding and the latest ambitious experiments to probe further, and test theoretical possibilities.

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Frank Close is an eminent research theoretical physicist in nuclear and particle physics. Currently Emeritus Professor of Physics at Oxford University and a Fellow of Exeter College, he was formerly the Head of the Theoretical Physics Division at the Rutherford Appleton Laboratory. He served as Chair of the UK Space Exploration Working Group 2007 which culminated with Tim Peake's launch to the ISS. He is the author of several books, including the bestselling Lucifer's Legacy (2000), and his highly acclaimed biography of the Higgs Boson Elusive (2022). His other books include Antimatter (2018), Neutrino (2011), Eclipse: Journeys to the Dark Side of the Moon (2017), and A Very Short Introduction to Nuclear Physics (2015), Particle Physics (2004), and Nothing (2009). In 2013, Professor Close was awarded the Royal Society Michael Faraday Prize for communicating science and was elected Fellow of the Royal Society in 2021. Perry Daniels is an award-winning, classically trained actor from Atlanta, Georgia, with over a decade of experience on stage, screen, and lurking mysteriously behind the microphone of his home studio. An audiobook junkie and mimic with a love of dialects, Perry strives to bring sincerity, energy, depth, and a focus on performance to his narration.

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