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Sunflowers and seashells. He begins by explaining the basic properties of gnomons and tracing the term--which originally meant "that which allows one to know"--to ancient Egyptian and Greek timekeeping. Almost two thousand years ago, Hero of Alexandria defined the gnomon as that

Title	:	Gnomon
Author	:	Midhat Gazalé
Rating	:	4.71 (406 Votes)
Asin	:	0691005141
Format Type	:	Hardcover
Number of Pages	:	280Pages
Publish Date	:	2015-5-15
Language	:	English

Sunflowers and seashells. He begins by explaining the basic properties of gnomons and tracing the term--which originally meant "that which allows one to know"--to ancient Egyptian and Greek timekeeping. Almost two thousand years ago, Hero of Alexandria defined the gnomon as that form which, when added to some form, results in a new form, similar to the original. He introduces us to continued fractions and guides us through the intricacies of Fibonacci sequences, ladder networks, whorled figures, the famous "golden number," logarithmic spirals, and fractals.
The beaver's tooth and the tiger's claw. These diverse forms of nature and mathematics are united by a common factor: all involve self-repeating shapes, or gnomons. Fractals, Fibonacci sequences, and logarithmic spirals. Gazalé examines figurate numbers, which inspired the Greek notions of gnomon and number similarity. He is a mathematician and engineer who teaches at the University of Paris and whose business career lifted him to the Presidency of AT&T-France. Inspired by Hero, Midhat Gazalé--a fellow native of Alexandria--explains the properties of gnomons, traces their long and colorful history in human thought, and explores the mathematical and geometrical marvels they make possible.
Gazalé is a man of wide-ranging interests an

How are the great pyramids like seashells? Ask mathematician Midhat J. Gazale, then brace yourself for a heady ride through the wilds of self-similar geometry in Gnomon: From Pharaohs to Fractals, his paean to the roiling mysteries that lie beneath the tranquil surfaces of such objects. --Rob Lightner. Gazale, also of Alexandria, goes much further and uses 20th-century concepts to fully explore "gnomonicity"--the property of self-similarity. Be prepared for slow going: Gnomon is densely packed with information and concepts foreign to all but the professional mathematician, but Gazale's enthusiasm and brilliant illustrations win the day. Few science books, and even fewer mathematics books, achieve that kind of depth. Whether he's moving on from the familiar golden rectangle to his own "silver pentagon"

I think that nonsense speaks for itself. For the money, I could have gotten something that will be used for something other than recycling. It produces deeper rest than I normally experience, clear through until my alarm clock turns on or cellphone is paged. According to Gazale', "Hero of Alexandria defined the gnomon as that figure (a number or a geometric figure) which, when added to another figure, results in a figure similar to the original." Gazale's book is, therefore, about self-similarity in numbers and geometry.The subject sounds simple enough, but I found this to be a pretty tough book. This book is wonderful for anyone interested in eating clean. The read was more than worthwhile. Order this book only if you want things to heat up in a hurry, and to last a lifetime.Six stars (if they had the option).. The entropy of a measure-preserving system is a numerical invariant which quantifies the asymptotic information generated by the system. This is a compilation of hundred of questions organized by aircraft systems. His goal, of traveling across the country by horseback and informing people about the environmental hazards of rainforest destruction, was met during a grueling 150-day, 2,963 mile ride from Los Angeles to Washington, DC, in 1989.His remembrances of the ride are vivid and the touching and funny encounters with people along the route make this book a