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posted by martyb on Friday May 22 2020, @06:21PM   Printer-friendly
from the old-man-shakes-fist-at-clouds dept.

Just a reminder of Amazing Astronomical Discoveries from Ancient Greece.

The Histories by Herodotus (484BC to 425BC) offers a remarkable window into the world as it was known to the ancient Greeks in the mid fifth century BC. Almost as interesting as what they knew, however, is what they did not know. This sets the baseline for the remarkable advances in their understanding over the next few centuries – simply relying on what they could observe with their own eyes.

Herodotus claimed that Africa was surrounded almost entirely by sea. How did he know this? He recounts the story of Phoenician sailors who were dispatched by King Neco II of Egypt (about 600BC), to sail around continental Africa, in a clockwise fashion, starting in the Red Sea. This story, if true, recounts the earliest known circumnavigation of Africa, but also contains an interesting insight into the astronomical knowledge of the ancient world.

The voyage took several years. Having rounded the southern tip of Africa, and following a westerly course, the sailors observed the Sun as being on their right hand side, above the northern horizon. This observation simply did not make sense at the time because they didn't yet know that the Earth has a spherical shape, and that there is a southern hemisphere.

[...] Sadly, the vast majority of these works were lost to history and our scientific awakening was delayed by millennia. As a tool for introducing scientific measurement, the techniques of Eratosthenes are relatively easy to perform and require no special equipment, allowing those just beginning their interest in science to understand by doing, experimenting and, ultimately, following in the foot steps some of the first scientists.

One can but speculate where our civilisation might be now if this ancient science had continued unabated.


Original Submission

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  • (Score: 1) by fustakrakich on Friday May 22 2020, @06:51PM (3 children)

    by fustakrakich (6150) on Friday May 22 2020, @06:51PM (#997945) Journal

    They decided that the power of obstruction is much more profitable than progress.

    --
    La politica e i criminali sono la stessa cosa..
    • (Score: 2, Funny) by Anonymous Coward on Friday May 22 2020, @11:20PM (2 children)

      by Anonymous Coward on Friday May 22 2020, @11:20PM (#998001)

      Naw, that's just you, Fusty.

      • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @12:09AM (1 child)

        by Anonymous Coward on Saturday May 23 2020, @12:09AM (#998019)

        ac here, thanks mod for the +1 insightful...but i was really just being snarky and looking for a laugh

        • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @01:19AM

          by Anonymous Coward on Saturday May 23 2020, @01:19AM (#998037)

          ac here, thanks mod for the +1 insightful...but i was really just being snarky and looking for a laugh

          It's funny because it's true. [youtube.com]

  • (Score: 1, Insightful) by Anonymous Coward on Friday May 22 2020, @07:53PM (11 children)

    by Anonymous Coward on Friday May 22 2020, @07:53PM (#997961)

    Yep. People, and espacially navigators, had already figured out that the Earth was a sphere centuries ago.

    But in the 21st century, there are still morons who believe it is flat. I guess you just can't fix stupid.

    • (Score: 3, Touché) by Snotnose on Friday May 22 2020, @08:48PM (1 child)

      by Snotnose (1623) on Friday May 22 2020, @08:48PM (#997973)

      I guess you just can't fix stupid.

      Sure you can. Just let them have their large gatherings without face masks and, when they get sick, tell them the hospitals are full.

      --
      When the dust settled America realized it was saved by a porn star.
      • (Score: 1, Interesting) by Anonymous Coward on Friday May 22 2020, @09:01PM

        by Anonymous Coward on Friday May 22 2020, @09:01PM (#997975)

        Sorry to disappoint you, but the covid-19 mortality rate is way under 10% (even without any hospital support), so that will barely make a dent in any such community.

    • (Score: 2) by RS3 on Saturday May 23 2020, @02:22AM (7 children)

      by RS3 (6367) on Saturday May 23 2020, @02:22AM (#998052)

      I seriously doubt they really believe it's flat. I think they just enjoy the attention, and screwing with people who react.

      • (Score: 2) by Reziac on Thursday May 28 2020, @05:54AM (6 children)

        by Reziac (2489) on Thursday May 28 2020, @05:54AM (#1000068) Homepage

        There are a bunch of Flat-Earthers over on Gab. At least a few appear to be sincere. But it probably falls into the same bucket as most conspiracy theories: as one shrink put it, this is how mild schizophrenics make sense of a (to them) inexplicable world.

        --
        And there is no Alkibiades to come back and save us from ourselves.
        • (Score: 2) by RS3 on Thursday May 28 2020, @03:19PM (5 children)

          by RS3 (6367) on Thursday May 28 2020, @03:19PM (#1000174)

          If they really believe it, it would be interesting to psychoanalyze them. Something's cross-wired!

          I know at least one guy who claims to be a flat-earther, but knowing him somewhat, I don't take him too seriously. I think he just likes to mess with people, and he loves the challenge of keeping a straight face. I do that a little, but only in the moment, and I can only keep a straight face for a few seconds.

          • (Score: 2) by Reziac on Thursday May 28 2020, @04:16PM (4 children)

            by Reziac (2489) on Thursday May 28 2020, @04:16PM (#1000185) Homepage

            Same bucket as "we didn't really go to the moon" and "da Jooz did it". Wish I could find the article again; a shrink explained it very simply, and considering the conspiracy theorists I've known, it's a perfect fit.

            Yeah, I'm sure some are just enjoying themselves... my favorite flat-earther, I'm not sure if is sincere or a very skilled troll (but he's always pleasant even to nonbelievers, so I sometimes discuss it with him). I have my own little straight-face exercise in telling a whopper, and it's funny how many people actually believe me. :D

            --
            And there is no Alkibiades to come back and save us from ourselves.
            • (Score: 2) by RS3 on Thursday May 28 2020, @05:20PM (3 children)

              by RS3 (6367) on Thursday May 28 2020, @05:20PM (#1000201)

              My favorite reaction is kids: they have the most wonderful look of bewilderment, that melts into a big "nu-uh!" Then if I know them well enough I might get hit, which just makes it all the more worth it. :)

              One I remember from long ago: a girlfriend's younger sister, 13 maybe?, asked how do I shave my chin, which is slightly cleft. I told her they make special V-shaped razors and she was hook-line-and-sinker for many wonderful seconds. :)

              • (Score: 3, Funny) by Reziac on Thursday May 28 2020, @08:22PM (2 children)

                by Reziac (2489) on Thursday May 28 2020, @08:22PM (#1000269) Homepage

                LOL, good one :)

                Mine: I buy dog food by the pallet. Every so often some wit will remark, "Big dog, eh?" and with a straight face, I respond, "Elephant."

                It's amazing how many believe me: "I didn't know elephants ate dog food!"

                --
                And there is no Alkibiades to come back and save us from ourselves.
                • (Score: 2) by RS3 on Friday May 29 2020, @03:05AM (1 child)

                  by RS3 (6367) on Friday May 29 2020, @03:05AM (#1000379)

                  That's awesome- I'm literally laughing out loud. Hope no-one hears me- I hate splaining.

                  • (Score: 2) by Reziac on Friday May 29 2020, @03:23AM

                    by Reziac (2489) on Friday May 29 2020, @03:23AM (#1000390) Homepage

                    Time to practice your Straight Face. :D

                    --
                    And there is no Alkibiades to come back and save us from ourselves.
    • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @07:13PM

      by Anonymous Coward on Saturday May 23 2020, @07:13PM (#998217)

      Yep. People, and espacially navigators, had already figured out that the Earth was a sphere centuries ago.

      But in the 21st century, there are still morons who believe it is flat. I guess you just can't fix stupid.

      Actually, the same ancient Greeks mentioned in TFS/TFA recognized this some 2,100+ years ago [wikipedia.org].

      Although I imagine, that just as today, some folks were loudly skeptical of the idea. Which just goes to show that, throughout human history, some folks aren't so bright.

  • (Score: 1, Interesting) by Anonymous Coward on Friday May 22 2020, @09:48PM (3 children)

    by Anonymous Coward on Friday May 22 2020, @09:48PM (#997987)

    "One can but speculate where our civilization might be now if this ancient science had continued unabated"
    "Sadly, the vast majority of these works were lost to history ..." this sounds like a good plot for a detective story of ancient going-ons?
    one scene that springs to mind is hoarding said knowledge in form of books in not fire-proof libraries and poisoning pages of books containing "forbidden knowledge"?

    "when the general was asked if the limited firebombs should be used on the east or west side of the besieged city, the decision came down to bomb the west side, since it only contained a worthless library but the east side was the red light district of the besieged city and the general knew that most of his men were .. well men and not book worms..."

    • (Score: 3, Informative) by aristarchus on Saturday May 23 2020, @01:27AM (2 children)

      by aristarchus (2645) on Saturday May 23 2020, @01:27AM (#998042) Journal

      Not wrong. Once again, consult the original submission, where I blame the Romans.

      Not only did they burn the Library of Alexandria [wikipedia.org], but sort of set the precedent:

      In AD 642, Alexandria was captured by the Muslim army of 'Amr ibn al-'As. Several later Arabic sources describe the library's destruction by the order of Caliph Omar.[118][119] Bar-Hebraeus, writing in the thirteenth century, quotes Omar as saying to Yaḥyā al-Naḥwī: "If those books are in agreement with the Quran, we have no need of them; and if these are opposed to the Quran, destroy them."[120]

      Meanwhile, in India, the Buddhist Library at Nalanda [wikipedia.org] was also burned by invading forces:

      Nalanda was very likely ransacked and destroyed by an army of the Mamluk Dynasty of the Delhi Sultanate under Bakhtiyar Khalji in c. 1200 CE.[21]

      And, Look! Wikipedia has a list of destroyed libraries, [wikipedia.org] throughout history, and not all of them accidental.

      • (Score: 2) by driverless on Saturday May 23 2020, @06:18AM (1 child)

        by driverless (4770) on Saturday May 23 2020, @06:18AM (#998087)

        There are lots of different stories about how the collection of the library at Alexandria was lost, or sometimes not lost but just dispersed to other libraries in the area over a long period of decline. It happened during Roman times, by about the third or fourth century it was gone, which would have made it quite a feat for a Muslim army to destroy unless they were equipped with time machines.

  • (Score: 2) by Phoenix666 on Friday May 22 2020, @11:37PM

    by Phoenix666 (552) on Friday May 22 2020, @11:37PM (#998009) Journal

    One can but speculate where our civilisation might be now if this ancient science had continued unabated.

    We might well have travelled to Alpha Centauri by now if Man had not learned to lick his own balls.

    Oh, no, sorry. That was dogs.

    --
    Washington DC delenda est.
  • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @12:20AM

    by Anonymous Coward on Saturday May 23 2020, @12:20AM (#998024)

    You can hold a telescope in one hand and souvlaki in the other... opa!

  • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @01:32AM

    by Anonymous Coward on Saturday May 23 2020, @01:32AM (#998043)

    1. Self-driving cars that deliver souvlaki right to your door
    2. Mobile communicators that you can use to order souvlaki anytime
    3. Genetically modified sheep yielding four times the amount of souvlaki that their wild ancestors did.

  • (Score: 1, Interesting) by Anonymous Coward on Saturday May 23 2020, @02:12AM (6 children)

    by Anonymous Coward on Saturday May 23 2020, @02:12AM (#998050)

    Nearly every city in the Eastern Mediterranean, and therefore every center of learning, was destroyed by a series of wars [explorethemed.com] around 1200BC. There is evidence that transatlantic trade networks existed before then. Traces of cocaine and tobacco have been found in Egyptian mummies [ancient-origins.net], and somebody was mining a large amount of copper in Michigan [grahamhancock.com] from 2400 BC until... 1200 BC, when the trans-Atlantic market would have collapsed and also when iron weapons were introduced by the Hittites.

    The Michigan copper had also been mined during an earlier period from 4500BC - 3500BC [eos.org], which suggests that somebody remembered this location in a thousand-year-old legend and went back to find it.

    • (Score: 1) by khallow on Saturday May 23 2020, @05:08AM (2 children)

      by khallow (3766) Subscriber Badge on Saturday May 23 2020, @05:08AM (#998066) Journal
      Consider what is actually claimed in those links:

      German scientist Dr Svetla Balabanova was studying the mummified remains of Lady Henut Taui, a member of the ruling class, when she made a surprising discovery – the mummy contained traces of nicotine and cocaine. Disbelief in the findings led to alternative hypotheses, for example, that the tests were contaminated or the mummies were fakes, but these ideas were disproved and the mummy and the test results were found to be authentic.

      Even if true, there are other plants that produce cocaine. For example, a quick google found that the genus Erythroxylum (~200 tropical flowering plants, including the coca bush) is spread worldwide with species in South America, Madagascar, India, Australia, and Yemen. Erythroxylum socotranum is an endangered species [earthsendangered.com] from Yemen. I was unable to determine whether the plant produces cocaine in detectable amounts, but it's part of a genus that has a number of cocaine-producing plants and it's pretty close to Egypt.

      Similarly, nicotine appears in other plants as well:

      Vegetable plants, belonging to the nightshade family, contain low amounts of nicotine. These plants include potatoes (Solanum tuberosum), tomatoes (Lycopersicon esculentum) and eggplant (Solanum melongena). Eggplant contains one of the highest concentrations of nicotine: 100 nanograms, or 0.1 micrograms, of nicotine per gram of eggplant. Most of the nicotine in potatoes is concentrated in the flesh and not the potato skin. Green tomatoes contain about 10 times more nicotine than ripe tomatoes. Celery (Apium graveolens) and cauliflower (Brassica oleracea var. Botrytis) are vegetables outside the nightshade family that also contain low amounts of nicotine. The papaya (Carica papaya, hardy in USDA zones 9B through 11) plant, another non-nightshade plant, contains nicotine in its plant parts but not its fruits.

      Eggplant, for example, is thought to have originated in India or Africa. So just on this first link, we have alternate possible sources for cocaine and nicotine that don't require global trade.

      The links about mining copper don't tell us anything because copper would be mined anyway, whether or not there was trade with the Old World. But what is telling is a number of missing things: the complete absence of any goods from the Old World, a similar absence of diseases from the Old World, no existence of copper in a transportable form such as oxhide ingots [wikipedia.org], and no shipwrecks.

      Here's the claim that supposes a substantial source of copper to have come from the New World:

      Recent scientific literature has come to the conclusion that the major source of the copper that swept through the European Bronze Age after 2500 BC is unknown. However, these studies claim that the 10 tons of copper oxhide ingots recovered from the late Bronze Age (1300 BC) Uluburun shipwreck off the coast of Turkey was “extraordinarily pure” (more than 99.5% pure), and that it was not the product of smelting from ore. The oxhides are all brittle “blister copper”, with voids, slag bits, and oxides, created when the oxhides were made in multiple pourings outdoors over wood fires. Only Michigan Copper is of this purity, and it is known to have been mined in enormous quantities during the Bronze Age.

      However, the abstract for the actual research [uchicago.edu] in question ("On the Structure and Composition of Copper and Tin Ingots Excavated from the Shipwreck of Uluburun" by Andreas Hauptmann, Robert Maddin, and Michael Prange):

      We report on the structural and chemical composition of copper and tin ingots from the Late Bronze Age shipwreck of Kas/Uluburun, found at the southern coast of Anatolia. The ship carried ten tons of copper and one ton of tin. The cargo thus represents the "world market" bulk metal in the Mediterranean. It is the aim of this paper to evaluate the quality of metal traded during this period and to discuss the making of these ingots. Cores drilled from a number of ingots show an extraordinary high porosity of the copper. Inclusions of slag, cuprite, and copper sulfides suggest that the ingots were produced from raw copper smelted in a furnace and, in a second step, remelted in a crucible. Internal cooling rims point to multiple pouring. We doubt that the entity of an ingot was made from one batch of metal tapped from a Late Bronze Age smelting furnace. The quality of the copper is poor and needed further purification before casting, even if the chemical composition shows that it is rather pure. The copper was not refined. The tin ingots in most cases are heavily corroded. The metal is low in trace elements except for lead.

      So it turns out that the metal was remelt from copper smelting, contrary to the earlier claim.

      So sorry, but none of your links support your assertion that there was any sort of global trade with the New World. It really bears remarking here that boat technology of the time in the eastern Mediterranean just didn't have the range to go to the New World. For example, you would need boats with high cargo to crew ratios - that means few or no rowers, good stability in deep ocean weather, and good sail configurations (since most of the speed would have to come from sails). You'd also need good navigation skills on deep ocean since you could go weeks without seeing land - it's notable that the ships of the time were typically operated near land. It's far from impossible since the Austronesian had similar technology, but were able to sail all over the South Pacific, even in 1200 BC.

      • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @05:40AM (1 child)

        by Anonymous Coward on Saturday May 23 2020, @05:40AM (#998073)

        Khallow in his natural element! Offering obvious rebuttals to an Atlantean!

        • (Score: 1) by khallow on Saturday May 23 2020, @07:55PM

          by khallow (3766) Subscriber Badge on Saturday May 23 2020, @07:55PM (#998228) Journal
          You might want to try it sometime. It's good practice for critical thinking.
    • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @11:55AM (2 children)

      by Anonymous Coward on Saturday May 23 2020, @11:55AM (#998118)

      Copper wasn't mined in the Keweenaw Peninsula until colonization. Rather, the area is so rich in it, they would just pick up a blue rock and polish it.

      • (Score: 1) by khallow on Saturday May 23 2020, @07:53PM (1 child)

        by khallow (3766) Subscriber Badge on Saturday May 23 2020, @07:53PM (#998227) Journal

        Copper wasn't mined in the Keweenaw Peninsula until colonization. Rather, the area is so rich in it, they would just pick up a blue rock and polish it.

        The significant of Keweenaw copper is that it is native copper [wikipedia.org]. It's not a blue rock that you'd have to smelt to get the copper out. It's (nearly) pure copper just waiting for someone to pick it up. If you had read the linked studies, you would see that they determining mining happened because of the significant spiking of lead in lake sediment. Only known cause in that part of the world is human mining of the copper.

        • (Score: 0) by Anonymous Coward on Monday May 25 2020, @03:00AM

          by Anonymous Coward on Monday May 25 2020, @03:00AM (#998712)

          Mining the copper would be stupid though, because it was already on the surface, everywhere. You can still find copper up there just walking. They also didn't smelt metals at all, unless that technology was somehow lost and yet never shows up at all in the archaeological record, which clearly shows trade of that same copper across the US.

  • (Score: 0) by Anonymous Coward on Saturday May 23 2020, @03:06AM

    by Anonymous Coward on Saturday May 23 2020, @03:06AM (#998057)

    And all was paused in the name of all mighty

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