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Full Description
Can We Travel Through Time? addresses 20 of the most fundamental and frequently asked questions in physics. What is the God particle? Does chaos theory spell disaster? Am I unique in the universe? What is light? Each 3,000 word essay examines these eternally perplexing questions in a way that is comprehensible to everyone, providing the ultimate guide to understanding the very nature of the world we live in.
Contents
Introduction. What is the point of physics? - Impossible questions, unexpected rewards, and the never-ending quest for understanding. What is time? - Progress, disorder and Einstein's elastic clocks. What happened to Schrodinger's cat? - Quantum physics and the nature of reality. Why does an apple fall? - Gravity, mass and the enigma of relativity. Are solids really solid? - Atoms, quarks and solids that slip through your fingers. Why is there no such thing as a free lunch? - Energy, entropy and the search for perpetual motion. Is everything ultimately random? - Uncertainty, quantum reality and the probably role of statistics. What is the God Particle? - The Higgs boson, the LHC and the search for the meaning of mass. Am I unique? - The limits of our universe and the search for parallel worlds. Can we travel through time? - Where relativity meets science fiction. Is Earth's magnetic shield failing? - Drifting poles, the planet's churning core and the threat to life on Earth. Why does E=mc2? - The equation that underpins the universe. Can I change the universe with a single glance? - Spooky quantum links and the chance to rewrite history. Does chaos theory spell disaster? - The butterfly effect's influence on weather, climate and the motions of the planets. What is light? - A strange kind of wave, and an even stranger kind of particle. Is string theory really about strings? - The vibrations that create our universe. Why is there something rather than nothing? - The Big Bang, antimatter and the mystery of our existence. Do we live in a simulation? - Human nature, the laws of physics, and the march of technological progress. Which is nature's strongest force? - The ties that bind the universe, and their origin in the superforce. What is the true nature of reality? - Beyond the quantum world lies the realm of information. Glossary. Index.
