Understanding the Antikythera Mechanism (hackaday.com) 75
szczys writes: We attribute great thinking to ancient Greece. This is exemplified by the Antikythera Mechanism. Fragments of the mechanism were found in a shipwreck first discovered in 1900 and visited by researchers several times over the next century. It is believed to be a method of tracking the calendar and is the first known example of what are now common-yet-complicated engineering mechanisms like the differential gear. A few working reproductions have been produced and make it clear that whomever designed this had an advanced understanding of complex gear ratios and their ability to track the passage of time and celestial bodies. Last year research by two scientists suggested that the device might be much older than previously thought.
most things are older than previously thought. (Score:2)
Re:most things are older than previously thought. (Score:5, Interesting)
The Greeks were amazing thinkers. They also used complex wrapping of rope around poles, pulleys, and pegs to program automated plays--mechanical TV's essentially.
Too bad they never leveraged it, probably due to the abundance of slaves.
William Wilberforce, a UK abolitionist, may have sparked the industrial revolution more than the steam engine and technology.
A steam engine was invented by the ancient Greeks. However, because slaves were so common then (usually captured enemies), they didn't think much about labor saving devices. Their gizmos were mostly considered show pieces, and thus there was little incentive to improve on their efficiency or utility.
William Wilberforce's pressure on UK politics reduced slave usage, making machines a more attractive alternative, thus propelling advances in manufacturing machinery.
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There's another problem with ancient society: Plato. If you read Plutarch's life of Marcellus, the Roman who beat Archimedes and Syracuse, you'll find that Platonic philosophy and its emphasis on pure mathematics had vilified those who translated mathematics (and physics) into the realm of the physical - into machines. Ancient Greeks and Romans highly prized the transcendent truths of mathematics but not their application on earth, which was the province of lesser thinkers. Plutarch makes the point that
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If you mean the size of the Earth, they got a good estimate of that using shadows.
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I don't know if that was a Greek or if it was a Greek living in a later date and living in Egypt. I forget his name and am a bit too lazy to look it up but if the person you're speaking of is the same one that I'm thinking of (the first to do such) he was also the person who made the first steam engine except he never made it work. He did things like make a coin operated holy water dispenser? If it's him then it's usually (wrongly) attributed to the Greeks and to the age where they were at their peak. He wa
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And then they ran into the Romans, who were pretty good doers.
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Georgio!!! I was wondering when you'd show up.
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Hmm... This is more true than you might know. I watch an obscene number of documentaries and the subjects vary greatly. One of my favorite subjects is archeology as it ties in nicely with my absolute favorite - history. Other favorites are a variety of sciences, more specifically astrophysics and astronomy.
As of late, a recurring subject that is tangentially included is that things are turning out to be quite a bit older than we had previously thought. We're finding that ancient civilizations and their tech
Solidworks (Score:2)
Thats a great after all the computerized tomography work that was done.
remember Plato and Thales (Score:3)
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It is tempting to think that the flooded area contain traces of ancient advanced civilisations but more realistically, they are probably not very different from those found on solid ground. After all, the flooded areas only represent a few percent of the whole area occupied by humans at that time. Even assuming that the coastal regions were the more densely populated, it is difficult to imagine that an ancient advanced civilisation would not also have occupied some areas that are now inland.
Re:Grandma Nasser (Score:2)
Having been beaten to the punch on the main point, I will just point out that sometimes you should look more carefully before posting.
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My udder moistens with thoughts of you whipping me with your wit. My personal secret Stockholm syndrome fetish towards my herder. As I gaze up from the meadows, dazedly chewing my cud, I look at your leather cowboy hat with both a mix of horror and curiosity. In the fleeting moments of madness I wish I was a horse, if only you would mount me and ride me in the wind. With a huff, however, the melancholic reality of my own existence comes flooding back to this moment in time, dulled by my own senses. I dolefu
Re: Antikythera Mechanism is for cows. (Score:1)
Suddenly, the cow troll seems worth it
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Made in Egypt ... With technology they got from refugees from Atlantis, clearly.
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Made in Egypt ... With technology they got from refugees from Atlantis, clearly.
And look what happened to Egypt after they let in all those refugees!
Truly a warning from history.
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Made in Egypt ... With technology they got from refugees from Atlantis, clearly.
And look what happened to Egypt after they let in all those refugees!
Yeah, they built the Pyramids.
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it doesn't really matter where it was made when it was made probably during the time of the greek advancements.. all that area was connected by trade and culture in the time period.
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If that were so, why is the device engraved in Greek rather than Egyptian Hieroglyphics?
Secrets die with the creator (Score:2)
This is one of the downsides to a craft-based technological society: when the creator dies knowledge goes with them.
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As opposed to modern society: when the computers die knowledge goes with them.
I don't envy the jobs of future historians 1,000 years from now trying to recover what happened in our day. Even if physical media survives that long (which it won't), how will they discern the methods required to read the information back? It's hard enough trying to recover data from 30 year old floppy disks given that you can't buy 40 TPI magnetic heads any more and 80 TPI magnetic heads often won't read the fatter tracks.
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It's hard enough trying to recover data from 30 year old floppy disks given that you can't buy 40 TPI magnetic heads any more
Yea, but anyone with a micro machine shop doesn't have much trouble making something as coarse as a 635 micron solenoid. It's no trouble at all for me to make a solenoid with a magnetic focus 1/10th that size, though I can't fabricate anything close to a state of the art hard disk drive or magnetic microscope.
Besides, you can just remove the disc from the diskette and place it in a spinning magnetic microscope and make a much finer image of the domains, which gives you much more detail to identify what look
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Oh, I didn't mean to imply that it didn't, just that you have a better chance of recovering whatever it was by getting a detailed image of the magnetic domains than simply dropping the disk/tape into a (hopefully expertly restored) compatible machine. If certain properties of the recording system are known, such as it using a certain run length code that is DC balanced, then when a value is present that violates the allowable symbols on the disk, then the magnetic (and hopefully an aligned optical) image of
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Future historian may not be able to read our electronic forms of storage but they will have plenty of artefacts to study. A middle size landfill site from the 20th century is likely to produce more objects than 4000 years of ancient Egypt history.
The fact that they won't be able to visualize your porn collection won't matter much for them.
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My computers have information in them. The knowledge is in my head.
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This is one of the downsides to a craft-based technological society: when the creator dies knowledge goes with them.
I find it hard to believe that this artifact was developed by a single individual in isolation. It seems more like something that required a fair bit of history behind it, long term development of multiple threads by multiple individuals.
Ie this seems like just one product of a civilization and the rest of this civilization is missing from the historical and archaeological record.
Greek legend about the Antikythera (Score:4, Funny)
It is said that a wealthy shipowner had the Mechanism built as a navigational aid but the captain of his flagship, incensed at the slow operation of Debian on it, hurled it into the Aegean.
Re:Greek legend about the Antikythera (Score:5, Funny)
something something systemd.
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Duh. He should've used NetBSD on it!
It's a defense mechanism... (Score:2)
It's to defend against these guys...
http://www.kythera.com/ [kythera.com]
This was all covered by Nova a few years ago, with (Score:1)
The abstract here was so astoundingly poor that I didn't bother to read the article (this IS slashdot, of course).
This device wasn't for "tracking the calendar"; any Greek who had the power of speech could "track the calendar". This device was for tracking the positions of celestial bodies to a great degree of accuracy. There is a strong suspicion that it was designed and/or built by Archinedes himself.
After scanning this thing with all kinds of fancy technology, archaeologists are discovering that it is a
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You don't just make one of these out of the blue then throw away the tech you developed.
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