The Antikythera Device

ISTR reading about this device in Scientific American some 40 years ago. But a search of the SciAm site does not bring up a reference -- probably because that name did not appear in the title.

A check with our friends at Wiki (Antikythera_mechanismWP) gives a reference to: Gears from the Greeks. The Antikythera Mechanism: A Calendar Computer from ca. 80 BC, Derek de Solla Price, Transactions of the American Philosophical Society, new series, 64, No. 7 (1974), pp. 1–70.

Ah. Ha. I did a bit more Googling and found:

http://www.math.sunysb.edu/~tony/whatsnew/column/antikytheraI-0400/kyth1.html

The main reference for these columns is printed: the monograph, cited below, by the famous Yale historian of science Derek De Solla Price (other printed references). On the web one can find the complete text of his 1959 Scientific American article on the subject. E. C. Zeeman, K.B., F.R.S. delivered lectures on the topic in 1998 at the University of Texas, San Antonio and at Trinity College, Dublin. The 23 transparencies from these lectures are on the web and it's almost like being there (see his paper for more detail). DivingBum Enterprises has a page with a photograph of the curent installation in the National Museum of Archaeology, Athens. Chris Rorres' page Spheres and Planetaria on the Drexel University site has a nice photograph of Price himself. Rob S. Rice of the University of Pennsylvania has posted a very useful paper on the subject, from a 1995 U.S. Naval Academy symposium on Naval History. A lively sketch of De Solla Price's scientific and human personality can be found in the Foreword, by Robert K. Merton and Eugene Garfield, to one of his books.

:th:
 
First, how is it that I never heard of this thing before?
Most probably because it doesn't quite fit with the whole evolutionist view of:

Man in the past = Increasingly Stupider.

This belief system is one of gradual upward progress, therefore evidence of past human achievement, genius and civilisation has to be downplayed.

Thus we have the pyramids, Stonehenge and megalithic civilisation all around the globe portrayed as being the result of hairy, barely clad, superstitious* 'people' moving thousand ton stones around (sometimes for hundreds of miles) and placing them perfectly into position in accordance with various complex parameters... by using just logs, ropes and log rafts.
And the rocks to make these gargantuan megalithic structures were 'obviously' fashioned just by hitting them, by hand, with slightly harder rocks.
For years.
For some reason.

It's terribly silly, and outside of the currently fashionable belief system it would obviously be seen as such.
It's an outstanding example of the reality of a series of impressive phenomena having to be shoehorned into a thoroughly inadequate explanatory model due to wanting to stick to an overarching and radically incompatible worldview.

The truth about human development and acheivement may well be far more cyclical; being dependent on enduring states of political, socioeconomic, resource and knowledge retention stability - rather than on crude Darwinist beliefs about gradual upward progress.


*stoopid
 
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I seem to remember that it was mentioned in Carl Sagan's Cosmos TV series many years ago.
 
When I was 15 (1962 or so) I was given a thick "coffee-table" sized book, profusely illustrated with diagrams and photos, on the history of astronomy for Christmas. I remember that there was a picture of the Antikithera Mechanism, and though it was imagined at the time to be some kind of astronomical device, no details were available.

It wasn't until the 70s that the first systematic investigation on what it contained was possible; until then it was held to be just a mysterious oddity, even possibly a fraud. The wikipedia article has a lot more detail than the video, and it recounts that a considerable amount of the front (planetary) part of the mechanism is reconstructed not from mechanism, which doesn't exist, but from insight about what must have been there to do the described functions. The video mentions it in passing but isn't explicit about what's in the x-rays and what's being imagined.

What is there, though, is marvelous. It is pointed out that the reconstructed planetary motions aren't particularly accurate, but its not because the mechanism is at fault but rather because the Greek knowledge of planetary motions was faulty.
 
Sorry for not being precise enough. I tried exactly that. It is blocked for viewing outside the USA (or at least in my locale), due to (copy)rights issues.

The wikipedia page describes the video:

The National Geographic documentary series Naked Science had an episode dedicated to the Antikythera Mechanism entitled Star Clock BC (Season 8 Episode 2) that aired on January 20, 2011.

A documentary about the mechanism, called The World's First Computer, was produced in 2012 by the Antikythera mechanism researcher and film-maker Tony Freeth.

The device was also a central artifact in the film Stonehenge Apocalypse (2010), where it was used as the object that saved the world from impending doom.

In 2012 BBC4 aired "The Two-Thousand-Year-Old Computer" It documented the discovery and investigation of the mechanism.

On 3 April 2013, a new episode of the science show NOVA, called "Ancient Computer", was broadcast on PBS. This is a rebroadcast of "The Two-Thousand-Year-Old Computer" under a different title.

Perhaps that will help in finding a watchable edition.
 
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Most probably because it doesn't quite fit with the whole evolutionist view of:

Man in the past = Increasingly Stupider.

This belief system is one of gradual upward progress, therefore evidence of past human achievement, genius and civilisation has to be downplayed.

I understand your point about the general misconception that people in the past were somehow stupider. (The big premise in all of Erich Van Daniken's nonsense: he starts with the idea that people in the past couldn't have done something that they certainly did.)

But this has nothing to do with any "evolutionist view"--if you're talking about biological evolution. These are all fully modern humans we're talking about. In fact, this isn't even the prehistorical period but historical times. The theory of evolution does not predict that people in 100 B.C. were less intelligent than people today.
 
Thus we have the pyramids, Stonehenge and megalithic civilisation all around the globe portrayed as being the result of hairy, barely clad, superstitious* 'people' moving thousand ton stones around (sometimes for hundreds of miles) and placing them perfectly into position in accordance with various complex parameters... by using just logs, ropes and log rafts.
And the rocks to make these gargantuan megalithic structures were 'obviously' fashioned just by hitting them, by hand, with slightly harder rocks.
For years.
For some reason.

It's terribly silly, and outside of the currently fashionable belief system it would obviously be seen as such.


Sometimes there's not a whole lot of intermediate technology available between "crude" methods using simple tools (such as splitting stone by cutting a groove with abrasive sand and a blade or wire, hammering in wooden wedges with a mallet, and wetting the wedges to split the stone) and modern methods (power saws and hydraulic rams). Especially when the former methods are still used in some places and for some applications.

Is there another way that ancient people might have cut stone (or moved large blocks around, and so forth), that's higher tech than the perfectly good (if slow) low-tech methods that anthropologists have hypothesized, but lower tech than steam-powered (or hydraulic, electric, etc.) tools? Or are you suggesting that the ancients did use steam engines?

Respectfully,
Myriad
 
It was also lovely irony that custom-made extremely high-tech machines were brought to Athens to do different kinds of imaging of the device.

Isn't that marvelous? To think that these high-tech machines, in a very real sense, owe their existence to the development of devices such as the one they were being employed to study. And no doubt these state of the art machines will one day seem as ancient as this astronomical calculator seems to us. Two thousand years from now, someone might marvel at what we managed to achieve with such limited knowledge.
 
Isn't that marvelous? To think that these high-tech machines, in a very real sense, owe their existence to the development of devices such as the one they were being employed to study. And no doubt these state of the art machines will one day seem as ancient as this astronomical calculator seems to us. Two thousand years from now, someone might marvel at what we managed to achieve with such limited knowledge.
But then they'd find an Xbox and change their mind.
 
Doctor Plop said:
Most probably because it doesn't quite fit with the whole evolutionist view of:

Man in the past = Increasingly Stupider.

This belief system is one of gradual upward progress, therefore evidence of past human achievement, genius and civilisation has to be downplayed.
Rubbish.

The ancestors of humans WERE less intellectually capable than modern humans--we know this because we have their skulls and can get at least a first-order approximation of how their brains worked (ie, did they focus on scent more than sight? hearing more than taste? what lobes were present? that kind of thing). But the temporal scale is mind-shatteringly vast--millions of years. And you'll note that I said "modern humans". Biologically, the first members of our species were modern humans (again, I've seen some of the skulls and can attest to that). Their brains were, as far as we are able to identify, the same as those of modern humans.

The theory of evolution also doesn't demand "gradual upward progress". This is in fact accusing evolution of the flaws of previous beliefs--namely, alchemy. Evolution movement through fitness space, typically toward local fitness highs, through time. There are complications, and fitness space can be best thought of as an n-dimensional boiling sea where each dimension is a factor impacting the organism's ability to reproduce. There is no general directionality to evolution; sometimes there's directional selection (we've demonstrated it, multiple times), but evolution as a whole is going out into every direction all at once.

Thus we have the pyramids, Stonehenge and megalithic civilisation all around the globe portrayed as being the result of hairy, barely clad, superstitious* 'people' moving thousand ton stones around (sometimes for hundreds of miles) and placing them perfectly into position in accordance with various complex parameters... by using just logs, ropes and log rafts.
And the rocks to make these gargantuan megalithic structures were 'obviously' fashioned just by hitting them, by hand, with slightly harder rocks.
For years.
For some reason.
This is moronic. First, the people THEMSELVES portrayed themselves as barely clad. The Egyptians lived in a hot environment; clothing wasn't really necessary. Their own portraits show them wearing very little by today's standards. As for hairy, each society had their own norms in that regard. Egyptians often shaved everything, for example. Roman men shaved their beards. Germanic tribes didn't. It was extremely diverse.

As for moving the stones around, we've more or less figured out how they did it for most of the bigger projects. The solution is lots of manpower and lots of time to think about it.

As for the shaping, we know they used stone tools in many cases because we've found the tools. Of course, there were a lot of OTHER tools as well, some pretty ingenious. And there were techniques like rubbing the stones together to ensure a tight fit (they polished one another, essentially).

Of course, you only have archaeology's word for it, and every archaeologist I've met (quite a few, given the nature of my company [until last Monday technically one of my bosses was an archaeologist]) accepts evolution.

By the way: The Greeks weren't really that old. Certainly not as old as the builders of the pyramids, or Stonehenge. And we know they had some pretty advanced tech, including primitive steam engines and vending machines (they were used in temples).

It's terribly silly, and outside of the currently fashionable belief system it would obviously be seen as such.
Actually, what you're describing is a distorted view of both the current understanding of archaeology and the current understanding of evolution. You are essentially wrong about everything.

It's an outstanding example of the reality of a series of impressive phenomena having to be shoehorned into a thoroughly inadequate explanatory model due to wanting to stick to an overarching and radically incompatible worldview.
You got something right! Unfortunately, your aim is off. It's not the "evolutionists" (in reality, they're archaeologists) who are trying to shoehorn observations into an inadequate and flagrantly false worldview. It's the people who deny evolution's validity and the people who think the ancients were stupid who do that.

The truth about human development and acheivement may well be far more cyclical; being dependent on enduring states of political, socioeconomic, resource and knowledge retention stability - rather than on crude Darwinist beliefs about gradual upward progress.
Darwin didn't believe in upward progress. Darwinism only existed for a brief time and has been replaced as the dominant evolutionary biology paradigm numerous times. Cyclicity in history, particularly in archaeology, is notoriously difficult to demonstrate (as in, no one's done it); Gouldian contingency is almost certainly more dominant than any cyclicity.

Myriad said:
Is there another way that ancient people might have cut stone (or moved large blocks around, and so forth), that's higher tech than the perfectly good (if slow) low-tech methods that anthropologists have hypothesized, but lower tech than steam-powered (or hydraulic, electric, etc.) tools?
A curious fact that seems to slip by people like the good doctor here: Us folks who study the actual data both tend to agree with evolution, and tend to find the really curious and cool things. Every example of something in biology that's used by Creationists to counter evolution was found by biologists who agree with evolution, for example. Similarly, archaeologists have found the really cool ancient technology, while those criticizing archaeology for being "evolutionist" haven't. Like I said, the ancient Greeks had steam engines and coin-operated vending machines. Folks in the the Roman Empire had an ingenious solution to cutting stone: water-powered saws. They used basically the same technology as anyone else who cuts stone (a flat blade and grit), but used a water wheel to power it. There's evidence of Medieval stone-cutting mills that had multiple cutting blades on them, for cutting uniform blocks all at once. (Such machines may be even older, but that's what I could find).
 
Dinwar
Interesting. One of the things that Archae (the expert on stone in GH) is always on the look-out to challenge, with evidence of course, is the claim thatblocks of x thousands of tons are in various monuments and, therefore, could not have been moved by the people of the time! I much admire his vigilance and knowledge.!
 
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The theory of evolution also doesn't demand "gradual upward progress".
And the process of evolution often destroys what many humans like to think of as "higher, more evolved" forms. The "higher" forms, the large predators especially, are usually the least adaptable to environmental changes, and thus the first to go extinct. The "humble" plants and animals, with their minimal consumption of resources, often find themselves the ones who survive environmental catastrophes. Lucky for us, in the past at least. Perhaps not so lucky for us in the future.

This is moronic. First, the people THEMSELVES portrayed themselves as barely clad. The Egyptians lived in a hot environment; clothing wasn't really necessary. Their own portraits show them wearing very little by today's standards. As for hairy, each society had their own norms in that regard. Egyptians often shaved everything, for example. Roman men shaved their beards. Germanic tribes didn't. It was extremely diverse.
I could be mistaken, but I think I remember reading that the Egyptian preference for shaving their hair was a matter of hygiene. It kept them free of body lice. At any rate, the attitude that less clothing is contemptible comes not from science, but from religion. It was the Christian missionaries who insisted that native Hawaiians wear European style clothes. And it isn't the evolutionary biologists or anthropologists who are forcing women to wear burkhas and chador.

As for moving the stones around, we've more or less figured out how they did it for most of the bigger projects. The solution is lots of manpower and lots of time to think about it.
And the more we learn about just how they did it, the more we learn about the cleverness of our ancestors. They did, indeed, have brains just as capable as ours.

As for the shaping, we know they used stone tools in many cases because we've found the tools. Of course, there were a lot of OTHER tools as well, some pretty ingenious. And there were techniques like rubbing the stones together to ensure a tight fit (they polished one another, essentially).
And the making of those stone tools is quite an art. Any expert on stone tools will attest, it takes a great deal of skill to make reproductions of Neolithic tools. Years ago, an anthropologist specializing in ancient tools gave a guest lecture in an anthropology course i was taking. He said that it had taken him years of practice and study to get even close in quality to what ancient tool makers could produce.
 
Foster Zygote said:
I could be mistaken, but I think I remember reading that the Egyptian preference for shaving their hair was a matter of hygiene. It kept them free of body lice.
I have the same vague notion. I can't say where it came from, however (it's one of those facts that I've "known" for so long I can't place where I learned it), so I removed that before posting.

At any rate, the attitude that less clothing is contemptible comes not from science, but from religion. It was the Christian missionaries who insisted that native Hawaiians wear European style clothes.
I'm not sure I'd blame religion entirely for that. There was a strong secular cultural view that Europe was the pinical towards which all of Creation (then a perfectly valid scientific concept) was striving towards. There were religious elements, but the actual motives were more complex.

And the making of those stone tools is quite an art.
No kidding! I've tried flint napping, and destroyed my thumb. A stone-aged hunter had to master flint napping, pressure napping, and a host of other skills. And we're not talking relatively simple spear-points here: I've found skinning tools in the field that had a smooth groove for your finger and a sharpened hook on the other side, to hook into and cut skin. These are complex and highly sophisticated pieces of specialized equipment, certainly worthy additions to the human toolbox! I've also heard that surgeons were thinking of using obsidian blades for some surgeries, because you can sharpen them further than you can sharpen steel (it was a documentary about a modern attempt at Egyptian mummification, but the principle is applicable to any age that used stone tools).

SusanB-M1 said:
One of the things that Archae (the expert on stone in GH) is always on the look-out to challenge, with evidence of course, is the claim thatblocks of x thousands of tons are in various monuments and, therefore, could not have been moved by the people of the time! I much admire his vigilance and knowledge.!
Agreed! We know they did it--the question is how, and that's a facinating question to answer!
 
I just saw the NOVA episode about the Antikythera Device.

http://www.pbs.org/wgbh/nova/ancient/ancient-computer.html

First, how is it that I never heard of this thing before?

Second, isn't it way much more cool than the Erich Van Daniken nonsense where ancient people were ignoramuses completely lacking in genius and skills? (Well, because it's real, and all the ancient ET silliness isn't.)

To be fair to Erich Von Daniken, he was the first popular writer I knew of to write about the Antikythera Device. In fact if you had read him, you could have heard of the device forty some years ago, like wot I did.
 

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