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Bored during Mass at the cathedral in Pisa, the seventeenyearold Galileo regarded the chandelier swinging overheadand remarked, to his great surprise, that the lamp took as many beats to complete an arc when hardly moving as when it was swinging widely. Galileos Pendulum tells the story of what this observation meant, and of its profound consequences for science and technology.The principle of the pendulums swinga property called isochronismmarks a simple yet fundamental system in nature, one that ties the rhythm of time to the very existence of matter in the universe. Roger Newton sets the stage for Galileos discovery with a look at biorhythms in living organisms and at early calendars and clockscontrivances of nature and culture that, however adequate in their time, did not meet the precise requirements of seventeenthcentury science and navigation. Galileos Pendulum recounts the history of the newly evolving time piecesfrom marine chronometers to atomic clocksbased on the pendulum as well as other mechanisms employing the same physical principles, and explains the Newtonian science underlying their function.The book ranges nimbly from the sciences of sound and light to the astonishing intersection of the pendulums oscillations and quantum theory, resulting in new insight into the makeup of the material universe. Covering topics from the invention of time zones to Isaac Newtons equations of motion, from Pythagorass theory of musical harmony to Michael Faradays field theory and the development of quantum electrodynamics, Galileos Pendulum is an authoritative and engaging tour through time of the most basic allpervading system in the world.
⚠️ WARNING (California Proposition 65):
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birth defects, or other reproductive harm.
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