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No Shadow of a Doubt

The 1919 Eclipse That Confirmed Einstein's Theory of Relativity

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No Shadow of a Doubt

Auteur(s): Daniel Kennefick
Narrateur(s): L.J. Ganser
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On their 100th anniversary, the story of the extraordinary scientific expeditions that ushered in the era of relativity.

In 1919, British scientists led extraordinary expeditions to Brazil and Africa to test Albert Einstein's revolutionary new theory of general relativity in what became the century's most celebrated scientific experiment. The result ushered in a new era and made Einstein a global celebrity by confirming his dramatic prediction that the path of light rays would be bent by gravity.

Today, Einstein's theory is scientific fact. Yet the effort to "weigh light" by measuring the gravitational deflection of starlight during the May 29, 1919, solar eclipse has become clouded by myth and skepticism. Could Arthur Eddington and Frank Dyson have gotten the results they claimed? Did the pacifist Eddington falsify evidence to foster peace after a horrific war by validating the theory of a German antiwar campaigner? In No Shadow of a Doubt, Daniel Kennefick provides definitive answers by offering the most comprehensive and authoritative account of how expedition scientists overcame war, bad weather, and equipment problems to make the experiment a triumphant success.

©2019 Princeton University Press (P)2019 HighBridge, a division of Recorded Books
Physique Professionnels et universitaires Science Science et technologie Mathématiques Drôle Guerre
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If you have ever been fascinated by an eclipse, then this book is for you. It’s an interesting chronicle of the early astronomers and scientists who ‘chased’ eclipses, attempting to capture footage of the stars in galaxy, both for research and to prove ~ or disprove ~ Einstein’s theory of relativity. As the events lasted only minutes, and were few and far between, the reliance on the best technology of the day was crucial, yet sometimes it failed. Not to mention where they had to transport their equipment to, which were often far off the grid. A great listen.

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