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The Golden Ratio: The Story of PHI, the World's Most Astonishing Number [Kindle Edition]

Mario Livio
3.9 out of 5 stars  See all reviews (45 customer reviews)

Print List Price: CDN$ 17.99
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Sold by: Random House Canada, Incorp.
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Product Description

From Publishers Weekly

Most readers will have at least dim memories from geometry class of the irrational number pi. Theoretical astrophysicist Livio gives pi's overlooked cousin phi its due with this lively account, the first on the subject written for the layperson. Phi is the golden ratio of antiquity (1.6180339887), a never-ending number so lauded for its harmonious qualities that in the 16th century it was dubbed the divine proportion. It is related to phenomena as diverse as the petal arrangements of roses, the breeding patterns of rabbits and the shape of our galaxy. Phi is also claimed to have been crucial in the design of the Great Pyramids, the composition of the Mona Lisa and the construction of Stradivarius violins. Livio (The Accelerating Universe) carefully investigates these and other claims and does not hesitate to debunk myths perpetuated by overzealous enthusiasts he calls "Golden Numberists." This is an engaging history of mathematics as well, addressing such perennial questions as the geometric basis of aesthetic pleasure and the nature of mathematical objects. Useful diagrams and handsome illustrations of works under discussion are amply provided. Livio is gifted with an accessible, entertaining style: one typical chapter bounds within five pages from an extended discourse on prime numbers to a clever Oscar Wilde quote about beauty to an amusing anecdote about Samuel Beckett and finally to an eminently clear explanation of G"del's incompleteness theorem. With a guide to the history of ideas as impassioned as Livio, even the math-phobic can experience the shock and pleasure of scientific discovery. This thoroughly enjoyable work vividly demonstrates to the general reader that, as Galileo put it, the universe is, indeed, written in the language of mathematics.
Copyright 2002 Reed Business Information, Inc.

From School Library Journal

Adult/High School-Take something as simple as a line segment and mark it at just the right place. Looking at it with a mathematician's eye, an interesting relationship appears: the ratio between the whole line and the larger of the pieces it was broken into is the same as the ratio of the larger piece and smaller piece. Better known as "the golden ratio" or phi, 1.618- is a number that has fascinated humans for several hundred years, and people have claimed evidence of phi in all manner of things. Livio takes readers on a treasure hunt for phi from ancient times through the present. On the way, he debunks a number of popular myths (e.g., the notion that Mondrian used it in his abstract paintings) and does a wonderful job explaining the Fibonacci sequence and its relationship to phi. Small, black-and-white photos and reproductions demonstrate items mentioned in the text. While it may seem that the author wanders in his expositions, his excursions into history and number games add fun and depth for those who wish to follow. To get the most out of The Golden Ratio, it is best to have an understanding of algebra and basic trigonometry, although the book is great for general readers who don't mind working a little to gain a lot of understanding.
Sheila Shoup, Fairfax County Public Library, VA
Copyright 2003 Reed Business Information, Inc.

Product Details

  • Format: Kindle Edition
  • File Size: 7420 KB
  • Print Length: 294 pages
  • Publisher: Broadway Books; Reprint edition (Nov. 14 2008)
  • Sold by: Random House Canada, Incorp.
  • Language: English
  • ASIN: B001L4Z6Q2
  • Text-to-Speech: Enabled
  • X-Ray:
  • Word Wise: Not Enabled
  • Enhanced Typesetting: Enabled
  • Average Customer Review: 3.9 out of 5 stars  See all reviews (45 customer reviews)
  • Amazon Bestsellers Rank: #196,475 Paid in Kindle Store (See Top 100 Paid in Kindle Store)

Customer Reviews

Most helpful customer reviews
7 of 8 people found the following review helpful
5.0 out of 5 stars Excellent overview of the significant number March 18 2004
OK, I don't come across PHI as often as I come across e or pi. This book was nevertheless a fascinating read, even though (as one of the reviewers pointed out) Livio tries to talik about math and applications which can seem somewhat tedious at times.
The books deserves five stars for the following things:
1. It's very well written (I read it in an afternoon)
2. It's informative and not too 'scientific' - you can understand it even if you're not good with numbers at all.
3. It's realistic - most books about this topic tend to be more fantasy than reality. Mario Livio has made sure that he debunks myths and relies only on well checked facts.
- If you like popular science books don't miss this one, it's well worth your time.
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1 of 1 people found the following review helpful
By Marissa
Do you get excited upon discovering properties of mathematic topics? If the answer is a resounding “yes”, then The Golden Ratio: The Story of Phi, the World’s Most Astonishing Number is the right book for you! Phi is an irrational number that can be represented with the symbol ϕ, or numerically as 1.6180339887… up to an infinite amount of digits. It’s closely related to the Golden Ratio and the Fibonacci sequence. While I don’t share the same passion for numbers and their idiosyncrasies as Israeli-American author Mario Livio, he demonstrates a good effort in making the math come alive on the pages in this 2002 book. This review will include a description of the book, reflect upon the quality of the book and its aims, and discuss background information about the author.

Phi is deeply ingrained in our natural world; from the scales of a pinecone, to the reproductive patterns of rabbits, to the spiral staircase on the cover of my Mathematics Modeling 12 textbook. This book uncovers the history behind the discovery of phi, discussing its role in mathematics, physics, art, music, nature, architecture, probability, the universe, and more. While Livio considered phi’s existence in nature a fact, he often voiced his skeptism regarding theories about phi appearing in man-made works such as the ancient Egyptian pyramids and Bach’s symphonies. Reading about mathematic history and theory could easily become confusing, but Livio organized his book in a very logical way. First, it was organized chronologically, from 35000 BC when the first bookkeeping record (on a baboon’s thigh bone) dates back to 2000 BC when the Babylonians estimated the value of pi, to 1202 when Leonardo Fibonacci published his first book, Liber abaci.
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1 of 1 people found the following review helpful
5.0 out of 5 stars Mathematically Profound May 21 2004
Broad streams of literary, historical, aethsetic and religious thought are pooled together in a concise and well-illustrated review of this powerful proportion, which recurs in the natural world in surprising places both large and small. Clearly presented mathematical proofs give the book a solid backbone. Mathematical ideas are expressed in the book through a combination of prose, appendix proofs, and plentiful illustrations & diagrams. This allows readers of varying mathematical ability and learning styles to appreciate the beautiful ideas that Livio gracefully presents. A must for serious lovers of proportion & geometry, architects, mystics, painters, graphic designers and mathematicians.
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1 of 1 people found the following review helpful
4.0 out of 5 stars A great guide to an amazing number June 20 2004
By Brian
Livio's book is really an interesting look at a number similar to pi in that's an irrational number which displays itself in various places in nature, from the arrangement of petals on a flower to the logarithmic spirals of galaxies.
Livio explains the original formulation of this number by Euclid and proceeds to address the various times in history in which it may have been employed by architects, artists and musicians.
I think this is a really good book if you're interested in reading about the most "irrational of all irrational numbers".
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5.0 out of 5 stars A Difficult Mathematical Concept Revealed July 1 2004
As a non-mathematician I appreciate any help I can get in understanding the more esoteric parts of math. The Golden Ratio is just such a concept. Fortunately, Mario Livio has shown much light on this remarkable corner of geometry in his book "The Golden Ratio."
It is little wonder that such numbers as the Golden Ratio were considered magical. The never ending, never repeating number that cannot ever be expressed as a fraction has an uncanny tendency to show up in the oddest places, not only galactic structure and nautilus shells, but in plant parts and composition of paintings and music. Unfortunately magical numerology can lead to far-fetched relationships, as to the so-called number of the beast (666), and to academicism in art. Just because the Golden Ratio results in a pleasing relationship in a composition we are not tied to always measure art on how well it fits that ratio!
Livio has illuminated the history of the Golden Ratio in such a way that much of the associated themes can be understood by the reasonably educated laymen. While some of the book can be tough sledding for most of us non-mathematicians, the gist is available to all with some effort.
Read this book to learn about the history of interpretation and misinterpretation of mathematical concepts.
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3.0 out of 5 stars Uninspired philosophy of mathematics March 29 2004
The book seems to have two purposes. First, it seeks to debunk the notion that the 'golden mean' is intuitively pleasing to all humans. Secondly, the book argues that we can best understand the cosmic meaning of life via numbers. From these two theses, the author establishes the 'genius' mathematician as mediator and priest between mankind and the cosmos.
Ok, enough mumbo-jumbo. If the above interests you, read the last chapter first. It should have been used as the introduction and will clarify the purpose of arguments presented throughout the book.
Getting back to the book's narrative, the early sections seek to debunk various claims that Egyptian and Mesopotamian civilization use the Fibonacci ratio. Reports of its use in China are ignored. Later, there is a section debunking the notion that great art 'uses' the Golden Mean. Scattered throughout are developments in number theory, starting with Pythagoras and continuing with the standard European mathematical genius roll call. The last chapters reveal the relationship between the Golden Mean and complexity/chaos theory/fuzzy logic/quantum theory/etc.
Livio's Fibonacci sequence, Penrose tilings, and quasi-crystals stories will probably engage the recreational mathematicians among us, and provide a handy 'all in one place' summary of such matters. Others will find the philosophic overtones tangential and/or distracting. Any successful philosophy of math needs to address the issues of cardinality and ordinality at the level of intuition. The two topics are dismissed by page 15, but they underlie the whole issue of 'intuitive acceptance of number theory'.
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Most recent customer reviews
5.0 out of 5 stars Five Stars
Excellent as usual from Mario Livio
Published 13 months ago by Pedro
4.0 out of 5 stars The Golden Ratio: A Critical View
A critical view of Phi, tracing mathematics from the pyramids to now. Particular attention is paid to Fibonacci numbers and Phi, both in natural occurrences such as patterns in the... Read more
Published on Jan. 16 2009 by Lee Dale
1.0 out of 5 stars Predictably Prejudiced
The big problem with this book is it seems to exist only to debunk. It tends to debunk in a Matrin Gardner-ish manner, by stating only some of the facts about a subject, then... Read more
Published on March 27 2004 by Eugene Nielsen
1.0 out of 5 stars More like the Golden Bore
What a depressing book this turned out to be. I thought a book about the "golden section" would have been interesting but in the hands of Mario Livio it is pure pain. Read more
Published on March 15 2004 by Thomas Paul
5.0 out of 5 stars Best book I've read on the subject!
Without a doubt, The Golden Ratio is the definitive book on the subject of Phi, and one of the best popular science/math books ever.
Published on March 2 2004
1.0 out of 5 stars Fill the books with words but not with content
I bought this book expecting to learn something about phi (mathematically). But it is not up to par. Read more
Published on Feb. 22 2004 by rhw001
3.0 out of 5 stars Not quite what you might expect
Bought this after reading Da Vinci Code, and I was looking for more of the same. it is a little dry. It is a quick read though, and how much do you want to know about 1.618?
Published on Feb. 10 2004 by Scott Clarey
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