Explaining the Universe: The New Age of Physics
Princeton University Press, 05.06.2018 - 226 Seiten
In this fascinating book, John Charap offers a panoramic view of the physicist's world as the twenty-first century opens--a view that is entirely different from the one that greeted the twentieth century. We have learned that the universe is billions of galaxies larger than we imagined--and billions of years older. We know more about how it came to be and what it is. Because of physics, we live in a world of greater danger and more convenience, smaller particles and bigger ideas.
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It is rather the ever widening network of support from repeated confrontation with experiment, and the internal coherence and consistency of its laws and their consequences, that give science its resilience and authority.
Electrons were estimated to have dimensions on the order of 10 15 meters. Experiments now probe details as small as 10 19 meters, and theorists concern themselves with structures as small as 10 35 meters. We have now “seen” atoms, ...
I hope at least to be able to persuade you that they meet the rigorous demands of mathematical self-consistency, and the yet more rigorous demands of conformity with experimental observation. These probing speculations give us not only ...
Chapter 7 describes how this theory is used to yield amazingly precise agreement with the results of experiments in high-energy particle physics. Quantum field theory is also the setting for what has become known as the standard model ...
From the time he was appointed as director of the laboratory at Leiden in the Netherlands in 1882, Kamerlingh Onnes had sought to push back one of the frontiers of experimental physics: he tried to get closer to the absolute zero of ...
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11 IN THE BEGINNING
12 DOWN TO EARTH
Suggestions for Further Reading
Index of Names
9 WEIGHTY MATTERS