Here are 80 selected puzzles of every kind, modernized and adapted from the works of Sam Loyd, probably the greatest puzzlemaker of all times. There are mathematical puzzles, word puzzles, riddles, rebuses, and hidden geography puzzles.
This richly detailed overview surveys the evolution of geometrical ideas and thedevelopment of the concepts of modern geometry from ancient times to the present.Topics include projective, Euclidean, and non-Euclidean geometry as well as the roleof geometry in Newtonian physics, calculus, and relativity. Over 100 exercises withanswers. Includes a new Introduction by Peter Ruane.Reprint of The John Day Company, Inc., New York, 1966
Foreword by Stephen L Adler (Institute for Advanced Study, USA) Illustrations by Peggy Adler The term Phyllotaxis refers to the patterns on plants formed by the arrangement of repeated biological units. In nearly all cases, the Fibonacci Numbers and the Golden Ratio occur in these arrangements. This topic has long fascinated scientists. Over a period of more than two decades, Irving Adler wrote a number of papers that construct a rigorously derived mathematical model for Phyllotaxis, which are major and enduring contributions to the field. These papers are collected in this reprint volume to enable their access to a wider readership.
Irving Babbitt and Paul Elmer More were the leading lights of the New Humanism, a consequential movement of literary and social criticism in America. Through their writings on literary, educational, cultural, religious, and political topics, they influenced countless other thinkers, such as T. S. Eliot, C. S. Lewis, Russell Kirk, and George Will. By providing for the first time the extant correspondence of Babbitt and More, this collection gets to the heart of their intellectual project, revealing from an insider's perspective the true goals of New Humanism"--
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