Download A Portable Cosmos: Revealing the Antikythera Mechanism, by Alexander Jones PDF

By Alexander Jones

From the lifeless Sea Scrolls to the Terracotta military, historical artifacts have lengthy involved the trendy global. besides the fact that, the significance of a few discoveries isn't continually instantly understood. This was once the case in 1901 whilst sponge divers retrieved a lump of corroded bronze from a shipwreck on the backside of the Mediterranean Sea close to the Greek island of Antikythera. Little did the divers be aware of they'd stumbled on the oldest recognized analog laptop on the earth, an awesome gadget that when simulated the motions of the celebrities and planets as they have been understood by way of old Greek astronomers. Its continues to be now encompass eighty two fragments, lots of them containing gears and plates engraved with Greek phrases, that scientists and students have pieced again jointly via painstaking inspection and deduction, aided via radiographic instruments and floor imaging. greater than a century after its discovery, a few of the secrets and techniques locked during this mysterious machine can now be published.

In addition to chronicling the not likely discovery of the Antikythera Mechanism, writer Alexander Jones takes readers via a dialogue of the way the gadget labored, how and for what objective it was once created, and why it was once on a boat that wrecked off the Greek coast round 60 BC. What the Mechanism has exposed approximately Greco-Roman astronomy and clinical expertise, and their position in Greek society, is actually notable. The mechanical information that it embodied was once extra complicated than something the Greeks have been formerly concept able to, however the most up-to-date study has published that its screens have been designed in order that an informed layman might comprehend the habit of astronomical phenomena, and the way intertwined they have been with one's usual and social atmosphere. It used to be right away a masterpiece of equipment in addition to one of many first moveable educating units. Written via a world-renowned professional at the Mechanism, A transportable Cosmos will fascinate all readers attracted to historic background, archaeology, and the historical past of science.

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Extra info for A Portable Cosmos: Revealing the Antikythera Mechanism, Scientific Wonder of the Ancient World

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Among the many photographs that he brought back is one (fig. 5. Derek de Solla Price studying the fragments in the National Archaeological Museum in 1958. (© Derek de Solla Price heirs) 32 32 A Portable Cosmos showing him seated smartly dressed at a table with a shelf of reference works behind him, measuring the inner radius of the large cross-​spoked gear on the front of Fragment A with a pair of vernier calipers. Once back in the United States, Price began to prepare a detailed scholarly book on the Mechanism, and in the interim he made a presentation on it on December 30 at the meeting of the American Association for the Advancement of Science (AAAS) in Washington, DC.

26 Some damage was beyond repair: parts of the inscribed plates on the front face of Fragment C as well as a delicate patch of accretion layer with mirror writing on the back of Fragment A had shattered, with only isolated portions surviving as small separate bits. Bakoulis’s work, so far as we can tell by comparing photographs from before and after, seems largely to have been a continuation of Rousopoulos’s, clearing accreted matter from the faces of Fragments A, B, and C that Rousopoulos had left untouched.

1, on right) was a philologist—​an expert on Greek and Latin texts—​who had come to believe that a fully rounded student of antiquity should have experience with both the ancient texts handed down through the medieval manuscript tradition and the material remains recovered by modern archeology. For several years, therefore, he took part as an epigrapher in the German excavations at Miletus in Asia Minor and other sites. He also, as it happened, had a special interest in ancient astronomy, and he was intrigued by Rediadis’s chapter on the Mechanism, sensing that there was more to be learned.

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