How Invention Begins: Echoes of Old Voices in the Rise of New Machines
SKU: 23680102638

How Invention Begins: Echoes of Old Voices in the Rise of New Machines

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How Invention Begins: Echoes of Old Voices in the Rise of New MachinesIn How Invention Begins, Lienhard reconciles the ends of invention with the individual leaps upon which they are built, illuminating the vast web of individual inspirations that lie behind whole technologies. He traces, for instance, the way in which thousands of people applied their combined inventive genius to airplanes, railroad engines, and automobiles. As he does so, it becomes clear that a collective desire, an upwelling of fascination, a spirit

In How Invention Begins, Lienhard reconciles the ends of invention with the individual leaps upon which they are built, illuminating the vast web of individual inspirations that lie behind whole technologies. He traces, for instance, the way in which thousands of people applied their combined inventive genius to airplanes, railroad engines, and automobiles. As he does so, it becomes clear that a collective desire, an upwelling of fascination, a spirit of the times--a Zeitgeist--laid its hold upon inventors. The thing they all sought to create was speed itself. Likewise, Lienhard shows that when we trace the astonishingly complex technology of printing books, we come at last to that which we desire from books--the knowledge, the learning, that they provide. Can we speak of speed or education as inventions? To do so, he concludes, is certainly no greater a stretch than it is to call radio or the telephone an "invention."

Throughout this marvelous volume, Lienhard illuminates these webs of insight or inspiration by weaving a fabric of anecdote, history, and technical detail--all of which come together to provide a full and satisfying portrait of the true nature of invention.

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SKU: 23680102638

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Chase
Lowell, US
★★★★★ 5
SOOO DURABLE!!!
Pattern Name: Tug Rag
VERY VERY VERY durable!!!!! I have a Malinois and a Cane Corso who are both very high energy and high intensity. They have shredded every single toy, bite rag, and rope ive purchased butu this one has stood strong for a year so far. i would 100% buy again. could also just be thrown in the washer if it gets dirty which is a HUGE plus for super droolers.
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Reviewed in the United States on May 8, 2026
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sandy
Alexandria, US
★★★★★ 1
poor durability
Pattern Name: Squeaky Toy
my dog pulled the strap off in under 10 minutes. The leather is not sturdy and my dog was able to tear it to pieces in 20 minutes
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Reviewed in the United States on December 5, 2025
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Tom walton
Birmingham, US
★★★★★ 3
Ok but not Leather
Pattern Name: Tug Rag
I will say it's fairly durable but when the description uses the word leather..one would expect LEATHER, not microfiber. That said..it is thick and pretty durable and the dog does like it ok. Obviously the strap is NOT meant for chewing. This is not a throw it on the ground and let ur dog have it sort of a toy. It's an interactive toy. If left to the dog most would scissor the strap off in the first 10 minutes. Something to keep in mind. In summation..an ok interactive toy but over priced for the material.
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Reviewed in the United States on July 30, 2025
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Kristi K
Alexandria, US
★★★★★ 5
Well-made and great size for the price!
Color: blue black
Very tough product, no odor of plastic, good toy for outside, perfect for medium or large dogs. Noise isn't too bad and the color is cute as well. Can't destroy this toy!
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Reviewed in the United States on May 26, 2026
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Haley
Grantham, US
★★★★★ 5
Durable Great for aggressive chewers
Color: Blue
Will make one whole room smell like fake bacon, but my dogs love it and it’s super strong and durable. I have a lab mixed with rotty and a full lab so it’s a perfect match.
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Reviewed in the United States on June 3, 2026

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