- Formato: eBook Kindle
- Tamanho do arquivo: 25999 KB
- Número de páginas: 302 páginas
- Editora: Oxford University Press; Edição: 1 (2 de janeiro de 2017)
- Vendido por: Amazon Servicos de Varejo do Brasil Ltda
- Idioma: Inglês
- ASIN: B01NANY72O
- Leitura de texto: Habilitado
- Dicas de vocabulário: Habilitado
- Avaliações dos clientes: 22 classificações de cliente
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A Portable Cosmos: Revealing the Antikythera Mechanism, Scientific Wonder of the Ancient World (English Edition) 1ª Edição, eBook Kindle
|Número de páginas: 302 páginas||Dicas de vocabulário: Habilitado||Configuração de fonte: Habilitado|
|Page Flip: Habilitado||Idioma: Inglês|
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Principais avaliações internacionais
Professor Jones knows his subject well and brings in a great deal of relevant history from the era of the mechanism. The mechanism is a truly remarkable device, way beyond the understanding of most people of that time and even today the technics used to model the sun and the moon is very advanced. Had this device not been discovered in the early 1900's we would still be unaware that the Greeks produced very advanced geared mechanisms over 2000 years ago.
It explains how related knowledge of the planets at the time of the Babylonians and Greeks influenced understanding of the device.
I wish the diagrams were closer to the text that refers to them. Otherwise an excellent book.
The worst: There are photos, but none in color.
What makes the Antikythera Mechanism truly amazing are: (1) the ability of the maker to fabricate a device which modeled the solar system (with reasonable accuracy) based upon on a fundamentally flawed understanding of the solar system (i.e., the geocentric model); and (2) the level of fabrication skill that was available to the maker of this device over 2000 years ago. We like to think of meticulous mechanical fabrication, and astronomical observation, as being something that has developed over only the last 500 years or so. But the fact that the Antikythera Mechanism was fabricated over 2000 years ago, and incorporated scientific theories regarding the workings of the cosmos at that time, should give us pause to consider that perhaps our ancestors were smarter that we give them credit for. Unfortunately most of that knowledge and skill was lost in the dark ages (about 200 AD to 1500 AD). We stand where we are today by the benefit of accumulated knowledge since about 1500 AD, but we should also stand in admiration of those who went before us over 2000 years ago who were the true pioneers of science.
What is profound about this book is the warning from Ptolemy (pg. 245) that “it could be misleading to … judge that an astronomical hypothesis was false because one could not make a working model of it in the workshop.” The same applies equally today with respect to mathematical models of the universe – they are only models, and lack profound understanding of the underlying workings.
While there are other books available on the subject of the Antikythera Mechanism (and I confess that I have not read any of them), this book was sufficient for me to understand the history of the artifact itself, its mechanical features, and the historical background behind its manufacture. It is rare that I don’t end up buying at least two more books as a result of reading a first book on a topic, but in this case the current book satisfied all of my desires to learn about the Antikythera Mechanism.
As a final comment, the “Glossary” (pgs. 247-251) is very helpful in providing definition of important terms (such as “Callippic” and “station”).