SKU: 59797435077

50 Grandes Inventos que cambiaron el mundo

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Description

50 Grandes Inventos que cambiaron el mundoSe repasa la historia del progreso humano a travs del trabajo de autnticos genios: desde el descubrimiento fortuito de la fabricacin de vidrio tras calentar arena hasta el momento eureka que nos permite iluminar el mundo con solo accionar un interruptor. Las entradas, breves y entretenidas, acompaadas de su imagen correspondiente, proporcionan la va ms rpida para entender los avances tecnolgicos y sociales ms destacados. En qu punto nos encontraramos

Se repasa la historia del progreso humano a través del trabajo de auténticos genios: desde el descubrimiento fortuito de la fabricación de vidrio tras calentar arena hasta el «momento eureka» que nos permite iluminar el mundo con solo accionar un interruptor.

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Las entradas, breves y entretenidas, acompañadas de su imagen correspondiente, proporcionan la vía más rápida para entender los avances tecnológicos y sociales más destacados.

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¿En qué punto nos encontraríamos si no existiesen la rueda o el vidrio? Imagine la vida sin el cemento o los ordenadores.

Piense durante un momento cómo mejoran nuestra salud y nuestro bienestar las vacunas y el marcapasos.

En este libro descubrirá 50 inventos revolucionarios que han cambiado el mundo en campos como el de los materiales, la medicina, la ingeniería, la energía, los transportes o las pantallas táctiles, así como a las personas responsables de esas ideas.

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SKU: 59797435077

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4.2 ★★★★★
Based on 23 reviews
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Jeremey
Pawtucket, US
★★★★★ 5
Great Looking Shelf
Color: Brown, Size: 4Tier48in, Color: Brown, Size: 4Tier48in
I love this shelf! It took two people to hang it and you definitely want to ensure you hit a stud on at least one side or 1-2 screws if mounting between studs. It is heavy but a single person can lift it, just not maneuver easily due to its dimensions. It has a ton of room and fits mini helmets nicely in my office. Where I mounted it made it difficult to an extent to install but if you are even somewhat handy, you’ll be fine. You absolutely need a stud finder to hang this shelf. Sorry, I’m married! I would buy this shelf, or versions of it, again. Very practical and useful to display autographs, housewares or decor. Last note: do not over tighten the poles. The wood is soft and the poles are light weight. They are not traditional black pipe and weigh far less.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2025
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Verified Purchase
Jennifer Houben
Louisville, US
★★★★★ 5
Very satisfied!
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Quality product, very sturdy, real wood shelves, easy to put together and mount. Not too heavy and the size is nice.
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Reviewed in the United States on April 12, 2026
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Verified Purchase
Hayley C
West Palm Beach, US
★★★★★ 5
AWESOME Look and Quality
Color: Brown, Size: 2Tier60in
I love these shelves and have bought additional for other areas in the house. I love the look of the industrial pipes, the color of the shelves is perfect, they are sturdy and hold a lot of weight. They are somewhat difficult to assemble, but it's expected as hanging shelves are never fun to hang. I love them. If you are on the fence, just do it :)
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Reviewed in the United States on October 10, 2025
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Verified Purchase
Dustin O
Belleville, US
★★★★★ 4
Nice, but a bear to install
Color: Black, Size: 3Tier48in
Quality product that looks good on our shiplap wall of the wet bar space. The install was a real trip and extremely difficult. You definitely need 2 or more people to install as the direction tell you to put the entire item together, then hang on the wall. This makes it impossible to do yourself.
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Reviewed in the United States on April 20, 2026
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Verified Purchase
Stevie St. Onge
San Leandro, US
★★★★★ 5
Exactly what I was looking for
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Very sturdy shelves and super easy to put together. I would put the shelves together starting with the bottoms then after it’s put together tighten everything up also starting from the bottom.
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Reviewed in the United States on March 16, 2026

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