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Discovered 125 Years Ago in the Aegean Sea, the Antikythera Mechanism Intrigues Researchers with Its Complexity and Possible Astronomical Uses in Ancient Times
125 years ago, Greek divers searching for sponges in the Aegean Sea accidentally found one of the most enigmatic artifacts in history. Near the island of Antikythera, among jewels, coins, and fragments of pottery, a piece of copper with teeth resembling gears emerged. Thus began the story of the so-called Antikythera mechanism.
For decades, the object remained practically forgotten in the National Archaeological Museum of Athens. Its true importance only came to light when researcher Derek de Solla recovered the material and initiated a detailed study.
Analyses indicated that it was a machine built between 200 and 100 B.C., considered the first “computer” in history.
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A Planetary Machine
De Solla’s work revealed that the Antikythera mechanism was part of a more complex device. The recovered pieces showed about thirty bronze gears. These gears were fitted into a wooden case with dimensions close to 340 x 180 x 90 millimeters. The structure was operated manually by a crank, allowing the entire system to function.
The main function of the mechanism was to predict astronomical positions. By using the gears, the device could calculate lunar phases, eclipses, lunar calendar cycles of 354 days, and even dates for sporting competitions.
The equipment also had specialized gears to reproduce the irregular movement of the Moon, compensating for its orbital variations.
Over time, new pieces were recovered, helping to better reconstruct the machine’s operation. Even with advances in understanding the object, some limitations became evident.
Natural Limitations of the Mechanism
Despite its sophistication, the Antikythera mechanism operated based on the astronomical knowledge available at the time. Therefore, its planetary measurements exhibited significant discrepancies compared to modern data. However, this did not diminish the achievement of the ancient builders.
Two main factors affected the equipment’s accuracy: the mechanics and the manual manufacturing of the pieces. As the gears were made individually, small errors in production could compromise overall functionality.
Additionally, the natural wear of the copper teeth increased this inaccuracy with constant use.
Previous studies, such as the one led by Mike Edmunds, confirmed these difficulties. Edmunds was one of the few researchers to directly examine the original mechanism and led a team dedicated to its meticulous analysis.
New Tests and Simulations
Now, researchers from the National University of Mar del Plata in Argentina have decided to simulate the mechanism’s operation with the help of computers. Esteban Guillermo Szigety and Gustavo Francisco Arenas led the research, the results of which were published on the arXiv platform.
The team based its simulation on previous studies, considering aspects such as the presence of irregular triangular teeth and the effects of imperfections in the construction.
During the virtual tests, the researchers noticed that the triangular teeth did not directly compromise the functioning. However, when turning the crank, gear lockups occurred.
These lockups would make the equipment practically unusable for scientific purposes. Thus, the researchers classified the mechanism as a “clever toy,” with little practical application.
The scientists, however, emphasized an important observation. The simulation was based on what is known today about the fragments found in 1900. There is a possibility that some perceived defects are a result of corrosion suffered over the centuries.
Therefore, the irregular spaces between the gears may not accurately reflect the original design.
Suggested Improvements
The Argentine researchers suggested adjustments to the design of the gears to avoid the lockups observed.
Still, they warned that caution is needed when assuming that current measurements correspond faithfully to original values. After all, someone invested a great deal of effort and skill in building that machine.
For them, it is unlikely that such a complex object would have been produced if it did not possess, at least in part, some practical functionality.
Thus, they advocate for further research. The development of even more refined techniques may help clarify the accuracy and real utility of the Antikythera mechanism.
Origin of the Find
Although the exact functioning of the device remains under debate, the origin of its discovery seems to have a simpler explanation.
The artifact was found among the wreckage of a shipwreck. The most accepted hypothesis is that it was part of a cargo intended for some Roman emperor, possibly Julius Caesar.
Even with the limitations pointed out by recent studies, the Antikythera mechanism remains one of the greatest technological achievements of antiquity.
The level of sophistication reached by its builders over two thousand years ago continues to fascinate researchers and the general public.
Thus, despite study after study indicating that the mechanism may have had little practical utility, the merit of its construction and the challenge of deciphering it remain alive.
The ingenious Antikythera mechanism found in the Aegean Sea continues to be a window into the impressive technical knowledge of the ancient Greeks.
With information from Xataka.
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