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Τετάρτη 17 Μαρτίου 2010

ANCIENT GREEKS - ΑΡΧΑΊΟΙ ΈΛΛΗΝΕΣ

BMJarsettingoffGreece1Image by rayhaneh via Flickr

ANCIENT GREEKS - ΑΡΧΑΊΟΙ ΈΛΛΗΝΕΣ

51:09''
Ancient Greeks technology developed at an unprecedented speed during the 5th century BC, continuing up to and including the girls period, and beyond. Inventions that are credited to the ancient Greeks such as the gear, screw, rotary mills, screw press, bronze casting techniques, water clock, water organ, torsion catapult and the use of steam to operate some experimental machines and toys. Many of these inventions occurred late in the Greek period, often inspired by the need to improve weapons and tactics in war. However, peaceful uses are shown by their early development of the watermill, a device which pointed to further exploitation on a large scale under the Romans. They developed surveying and mathematics to an advanced state, and many of their technical advances were published by philosophers like Archimedes and Hero.

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