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29, 1967, Lexington, Mass.), historian known primarily for his classical revisionist
work on the causes of World War 1. After receiving his Ph.D. (1900) from Harvard
University, he studied at the Sorbonne and the University of Berlin, returning to ...
40°49' N, 16°25' E gravitation 8:286, the universal force of attraction between two
masses. The text article describes the development of the modern theory of
gravitation from early and often wrong ideas, tracing Sir Isaac Newton's
There are many examples of simple harmonic motion (assuming no energy loss):
a vibrating mass attached to a spring, an oscillating pendulum, the electrons in a
wire carrying alternating current, the vibrating particles of the medium in a ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review