Monday, May 16, 2011

World's First Computer Information and Images

The world's first electronic digital computer
If someone were to ask you to name the world's oldest computer, you'd probably mention The Babbage Engine, Konrad Zuse's Z3 or  The UK's Colossus.  If you were asked when humanity built the first computing device, your estimates wouldn't go higher than a few hundred years or so.
What if I told you that there exists a computer system that was operational almost two thousand years ago?


Sometime around 1900, a wreck was discovered off the coast of the island of Antikythera by sponge divers. It was quite the archaeological find. Artifacts of all shapes and sizes were pulled from the wreckage in a salvage operation that took place over the course of about two years- coins, busts, marble sculptures, even a full sized, nearly intact bronze statue.(Wikipedia)
Among this wreckage, there was found something of an anomaly. It was an intricate mechanical construction that  would baffle historians and archaeologists for almost a full century before its actual purpose was determined. It was an unprecedented find- a device bearing this degree of complexity had never been seen before, and has not been discovered since.


A 3d model of the machine's front gears and dials from the AMRP's website
This device, which would come to be known as the Antikythera Mechanism, was at first thought to be the world's first clock. That was just speculation though, which would soon be blown out of the water. In 2005, several teams of researchers used some rather advanced techniques to examine the mechanism- from
digital imaging to cutting-edge X-ray technology.
What they discovered would turn our perception of the ancient world directly on its head. Certainly, we knew that peoples such as the Egyptians and Greeks were capable of some marvellous feats of engineering and innovation. Certainly, we were aware that they utilized many techniques that we still use today. But this...this was something else. 
In 2006, members of The Antikythera Mechanism Research Project organized a conference in Athens to discuss their findings. They would release more data in 2008/2009, with a third conference planned for Spring 2011. 

The First Analog Computer

An attempt to reconstruct The Antikythera Mechanism
The Antikythera Mechanism is an incredibly complex mechanical computer, the first mechanical computingAn attempt to reconstruct The Antikythera Mechanism device ever created- or so we think. Given how intricately and flawlessly designed this artifact is, a lot of people are of the mind that it might have actually had predecessors which we have yet to discover. This particular machine has been dated to somewhere between 150 and 200 BC.

But what did it do? And what was its purpose? 
It was evidently designed to track the movement of the planets, and functioned as a sort of mechanical calendar. It was complicated enough that it even had an instruction manual of sorts on the back. Its functions included predicting solar eclipses and keeping track of the four year cycle of the Olympic games. There might have been more, too- but we may never know. 
This archaic computer had somewhere from thirty to "as many as seventy two gears(A degree of complexity comparable to many ninteenth century clocks), with teeth formed through equilateral triangles. When a date was entered via a crank (now lost), the mechanism calculated the position of the Sun, Moon, or other astronomical information such as the location of other planets. Since the purpose was to position astronomical bodies with respect to the celestial sphere, with reference to the observer's position on the surface of the Earth"(Wikipedia)

Final Word

And there you have it. The first computer ever constructed. A far cry from the automatic, electronic devices of today, but hey-
everything's gotta have a starting point. Looks like this might just be one more thing we owe the Greeks for inventing.

It's rather exciting, isn't it? The idea that all of these ancient civilizations may have been well more advanced than any of us could ever expect. If something like the Antikythera mechanism was discovered on the ocean floor, just think about what else might be out there, simply waiting for us to find it.

World's First Computer

The "ENIAC" - Worlds First Computer


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