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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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4.7 ★★★★★
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Product Reviews
★★★★★ 5
Pupper shakes with excitement when I take this out
Color: Green
This is a very good toy for a super busy pup but take it away after they find the treats or it's getting destroyed (the fleece) totally worth the money and the five minute prep time for a play session
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Reviewed in the United States on June 5, 2026
★★★★★ 4
Good for gentle dogs, not so much for chewers
Color: Green
My pup loves this and it definitely keeps him entertained, but the fleece ties are not the strongest so if you have a strong chewer be ware that it will not last too long (he's been playing with it for a day and we've lost 3 so far)
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Reviewed in the United States on April 19, 2026
★★★★★ 3
Hard to fill and time consuming but fun concept
Color: Green
Cute and fun concept for my dog. He enjoyed pulling out the strips and getting the treats it was hard to shove the pieces back in after rolling treats into it. I used small training treats and it still made it bulky and hard to shove back in. If the strips were shoved too far in it’s hard to get it out. I was suprised my 120 lb malamute didn’t rip the treat strips so the quality of the fabric holds up well. The ball material itself is thick and quality and he didn’t rip the rubber apart either. The strips once out seemed difficult for him to unroll and he lost interest after pulling a few out and he enjoys his other puzzle toys more.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
A Tail-Wagging Triumph: The Dog Snuffle Ball – Interactive Puzzle Dog Toy
Color: Green
Behold, the Dog Snuffle Ball—a toy so ingenious, so joyous, it might just be the pinnacle of canine entertainment! This isn’t merely a toy; it’s a symphony of stimulation, a carnival of enrichment, and a therapist rolled into one delightful ball of wonder.
At first glance, it appears unassuming—a soft, colorful orb that’s almost too cute to resist hugging yourself. But the moment you tuck treats or kibble within its folds, magic happens. Your dog transforms from a curious onlooker to an intrepid explorer, embarking on an epic quest for buried treasure. It’s as if their primal instincts awaken, and suddenly, they are the Sherlock Holmes of the snuffle world.
The brilliance of the snuffle ball lies in its multifaceted benefits. It’s a mental workout, sniffy fun, and slow feeder all rolled into one glorious package. Training your dog’s sense of smell? Check. Keeping them occupied for hours? Double check. Preventing boredom and destructive behavior? Oh, you bet. Watching your dog experience pure, unbridled joy as they unravel its mysteries? Priceless.
And let’s talk versatility: This marvel isn’t just for dogs. Cats, rabbits, and even the occasional curious human (yes, I’ve tested it myself!) can find delight in its interactive design. Its soft, durable material ensures that pets of all sizes and ages can join in the fun without fear of injury or wear.
The snuffle ball is also a hero of stress relief. For pups prone to anxiety or mischief, it channels nervous energy into productive play, transforming would-be chewers of shoes and shredders of cushions into happy, focused furballs of contentment.
To the masterminds behind the Dog Snuffle Ball, I offer a standing ovation. You’ve created a toy that’s not just fun—it’s transformative. It turns every mealtime or treat session into an adventure, fostering happiness and health in our beloved companions.
The verdict? Every pet needs this toy. Not some, not most—every single one. Buy it, toss it, and prepare for a tail-wagging extravaganza of sniffing, pawing, and pure bliss. 🐾✨
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Reviewed in the United States on January 19, 2025
★★★★★ 5
Great product
Color: Green
It was fun to watch my dog, get the food out of the rolls of fabric
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Reviewed in the United States on May 31, 2026
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