Download e-book for iPad: A History of Science in World Cultures: Voices of Knowledge by Scott L. Montgomery, Alok Kumar

By Scott L. Montgomery, Alok Kumar

ISBN-10: 0415639832

ISBN-13: 9780415639835

To appreciate smooth technological know-how, it truly is necessary to realize that a few of the such a lot basic clinical ideas are drawn from the information of historical civilizations. Taking a world but accomplished method of this complicated subject, A heritage of technological know-how in international Cultures makes use of a large diversity of case experiences and examples to illustrate that the medical suggestion and approach to the current day is deeply rooted in a pluricultural past.
Covering old Egypt, Mesopotamia, India, Greece, China, Islam, and the recent global, this quantity discusses the scope of medical and technological achievements in every one civilization and the way the data it built got here to affect the eu Renaissance. subject matters coated contain the impression those medical cultures had upon each other, the facility of writing and its applied sciences, visions of mathematical order within the universe and the way it may be represented, and what components of the far-off medical previous we proceed to depend on this day. subject matters usually left unexamined in histories of technological know-how are handled in interesting aspect, resembling the chemistry of mummification and the nice Library in Alexandria in Egypt, jewelry and concrete making plans of the Indus Valley, hydraulic engineering and the compass in China, the sustainable agriculture and dental surgical procedure of the Mayas, and algebra and optics in Islam.
This booklet exhibits that medical concept hasn't ever been constrained to anyone period, tradition, or geographic area. essentially provided and hugely illustrated, A historical past of technology in international Cultures is the precise textual content for all scholars and others attracted to the advance of technology all through history.

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Extra resources for A History of Science in World Cultures: Voices of Knowledge

Sample text

And seems derived from the sun-god Ra, father of all pharaohs, who created himself out of a pyramidal mound of earth. The core of each pyramid was constructed with local rock, which is more porous and non-homogeneous. This limestone was polished to a high white sheen. It is not hard to imagine that the great pyramids at Giza were a breathtaking sight in their time, visible from many miles as striking features of the landscape. Slaves did not build the pyramids. ” Such is the stuff of ignorance and fantasy.

A long process of experimentation occurred to find ways for preserving the precious remains within a sarcophagus. By the Middle Kingdom, however, priest-scientists had figured out that certain natural materials could stop decay pretty much altogether if the body was dehydrated. They achieved this using natron, a natural deposit that results from the evaporation of highly alkaline, sodium-rich lake waters – exactly like those in the Natron Valley of the northwestern Nile Delta. Natron consists of sodium carbonate/bicarbonate, with minor amounts of sodium chloride (table salt) and is an excellent drying agent and also a good antiseptic (it kills bacteria).

In this case, the Egyptians were interested in expressing the slope in terms of horizontal change per unit vertical change, a number that makes complete sense for those building such a structure. 7 shows, finding the slope in the terms of a seked, though not how we define or determine slope today (rise over run or vertical change over horizontal change), makes a good deal of sense if we are actually going to build a pyramid of a certain scale. One other interesting point. How steep were the pyramids?

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A History of Science in World Cultures: Voices of Knowledge by Scott L. Montgomery, Alok Kumar


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