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Description
The Cult of Pythagoras: Math and MythsIn this follow up to his popular Science Secrets, Alberto A. Mart nez discusses various popular myths from the history of mathematics: that Pythagoras proved the hypotenuse theorem, that Archimedes figured out how to test the purity of a gold crown while he was in a bathtub, that the Golden Ratio is in nature and ancient architecture, that the young Galois created group theory the night before the pistol duel that killed him, and more. Some stories
In this follow-up to his popular Science Secrets, Alberto A. Mart nez discusses various popular myths from the history of mathematics: that Pythagoras proved the hypotenuse theorem, that Archimedes figured out how to test the purity of a gold crown while he was in a bathtub, that the Golden Ratio is in nature and ancient architecture, that the young Galois created group theory the night before the pistol duel that killed him, and more. Some stories are partly true, others are entirely false, but all show the power of invention in history. Pythagoras emerges as a symbol of the urge to conjecture and "fill in the gaps" of history. He has been credited with fundamental discoveries in mathematics and the sciences, yet there is nearly no evidence that he really contributed anything to such fields at all. This book asks: how does history change when we subtract the many small exaggerations and interpolations that writers have added for over two thousand years? The Cult of Pythagoras is also about invention in a positive sense. Most people view mathematical breakthroughs as "discoveries" rather than invention or creativity, believing that mathematics describes a realm of eternal ideas. But mathematicians have disagreed about what is possible and impossible, about what counts as a proof, and even about the results of certain operations. Was there ever invention in the history of concepts such as zero, negative numbers, imaginary numbers, quaternions, infinity, and infinitesimals? Mart nez inspects a wealth of primary sources, in several languages, over a span of many centuries. By exploring disagreements and ambiguities in the history of the elements of mathematics, The Cult of Pythagoras dispels myths that obscure the actual origins of mathematical concepts. Mart nez argues that an accurate history that analyzes myths reveals neglected aspects of mathematics that can encourage creativity in students and mathematicians.Binding Type: Paperback
Publisher: University of Pittsburgh Press
Published: 06/26/2013
ISBN: 9780822962700
Pages: 264
Weight: 1.01lbs
Size: 9.30h x 6.10w x 0.90d
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★★★★★ 5
Great Glitter
Color: Purple + 1 Refill Bottle
It worked multiple times, no issue. love the glitter. i recommend using a hair spray first then spray the glitter, overral its reall pretty!
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Reviewed in the United States on February 23, 2024
★★★★★ 3
Goes on plentiful, but doesn't stay.
I enjoyed this glitter when I first applied it, but it falls off even if you use lotion or something to stick it to your face. It would be great to use as pixi dust, but not for facial glitter. I use a more dense glitter for my face to make sure it shows up. I use it in my hair, and that stays for a while, but it takes a lot to show up/ The containers are cute though and don't get clogged. There is no scent to it, which I am happy about because I did not want scent.
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Reviewed in the United States on May 2, 2023
★★★★★ 5
Detailed video
Color: Silver + 1 Refill Bottle
My only issue is, it come off fast. Other than that, this is exactly what I was looking for. I recommend putting on some type of lotion or maybe even some Vaseline given something to stick to.
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Reviewed in the United States on January 24, 2024
★★★★★ 5
Fun, easy and quality
These little bottles are adorable. The glitter comes out without a mess. If using on hair for a devotation use hair glue to make the design. Otherwise, the simple sweet lite glitter touch finishes a style nicely.
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Reviewed in the United States on December 21, 2022
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
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Reviewed in the United States on March 22, 2026
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