Decoding The Mystery Of The Antikythera mechanism a 2,000-year-old computer.

More than 21centuries ago a mechanism of fabulous ingenuity was created in
Greece. A machine capable of indicating exactly how the sky would look for
decades to come the position of the Sun and Moon lunar phases and even eclipses but this incredible invention would be drowned in the sea and its secret forgotten for
2,000 years.

The Roman ships traveling from Asia Minor to Italy passed between the Peloponnesus and Crete the small island of Antikythera sits right in the middle of this maritime corridor. Its craggy rugged coast presented a real threat to
passing ships which could be dashed against the unforgiving rocks in a storm this is precisely what happened around 70 BCE - the ship filled with treasures we now call the Antikythera wreck.
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In 1907 dating for sponges spied a bronze hand on the sea floor. They told the Greek authorities who the next winter searched the Antikythera coast around the shipwreck half concealed.

In the seabed they found more than 204 Items some of them intact nearby were the usual objects of the ship's crew such as oil lamps. There were also finally worked faces; the more they searched the more exceptional objects came to light in fact this Roman boat perhaps on its way from Rhodes or the coast of Asia Minor.

In what is today Turkey had been carrying some of the most prized works of art of its day the bronze hand proved to belong to a
5th century BCE. Greek sculpture of a philosopher whose head and some other
limbs were later found another major discovery was a bronze of Phoebe a
Hellenistic masterpiece sculpted around 340 BCE half submerged in the sea bed.

More statues were preserved from corrosion by the sand and sediment. They lift the veil slightly on the genius
which created them from stone amongst these sublime objects. The divers found an intriguing bronze item about 20 centimetres high which began to disintegrate as soon as it was removed from the water.

Scientists realized that this was a mechanism for
astronomical data scrupulously preserved at the National Archaeological Museum of Athens.
With the other objects from the wreck the mechanism aroused the
curiosity of many researchers it was only in the 21st century that modern tools for scanning could penetrate the corrosion to reveal in
three dimensions the interior of the machine this showed a set of
interlocking gears of astounding ingenuity high-resolution photographs using different exposures brought to light inscriptions.

On the sides of the machine which appeared to be part of an instruction manual scientists compared
the numbers inscribed in the text to the number of teeth and the gears and their arrangement and applied these to the known astronomical cycles of antiquity.

Thus a reliable reconstitution has been
made to leza lahmacun couple that all the clues point to the same date
including the metallurgical analysis and
especially the text analysis. The form of the letters is typical of the period and the vocabulary used is found on all the
other texts of the same period given the extensive information we have the
reliable reconstitution can be made.

Housed in a rectangular frame the machine shows data on both sides in
front is the larger dial showing the 365 days of the year according to the
Egyptian solar calendar.
While inside the second Circle shows the 12 signs of the zodiac by turning a handle one could position
the two hands to indicate for each day of the year the exact position of the
Sun and Moon and a small sphere indicating the phase of the moon.

In order to guarantee its exactitude whatever the day or year chosen a dial
on the back of the mechanism shows the metonic cycle which reflects lunar and solar cycles over a period of 19 years.

Corresponding to 235 lunar months above this another spiral dial indicates
eclipses of the Sun and Moon the handle was used to advance the pointer to determine when the next
Eclipse would occur in the Saros cycle.

As these operations were connected by the interlocking gears the actual date of the Eclipse showed on the other dial.

How did the Greeks manage to devise a mechanism to reflect such complex and
irregular data as the lunar cycles? The question also intrigues today's
specialists in fine watchmaking matthias
beauty director of research and development at blue decided to reproduce.

These ancient forgotten calculations and integrate them into a modern watch for the buyer it will come and peel the top given value needy I didn't want to be like a tomb robber who comes to steal an idea an idea which has existed for a long time but rather like someone who approaches our forefathers with deep.

Respect whose goal is to recreate the antique object in a contemporary form the original is about twenty centimeters high and we have been able to create a 30 millimeter movement which can easily
be worn on a wrist this Antikythera.

Mechanism includes ingenious features which are not found in modern watch making mechanical several writers in antiquity including cicero. Mention the existence of similar machines but the
Antikythera mechanism is the only one which has been recovered it was recently discovered that it also indicates which
cities would host future Olympic Games held every four years it is also believed to trace the paths of certain planets including Venus who invented.

This machine for whom and for what purpose we still have no answers to these questions but research continues constantly uncovering further mechanical and mathematical subtleties adjusting our perception of the ancient world and
its technology.
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