Nabis, the Last King of Sparta, and His Torture Robot

The last king of Sparta to actually wield real political power was Nabis, who staged a coup d’état in 207 BCE, in which he seized the throne and murdered the reigning king Pelops. He claimed that he was a remote descendant of the Eurypontid king Demaratos of many centuries earlier and initiated sweeping social reforms that he designed to fortify his power.

Ever since antiquity, Nabis’s reputation has consistently been that of an extraordinarily cruel and sadistic tyrant. He is probably most notorious today for having supposedly constructed a horrifying torture robot modeled after his wife Apega that he could control and use to torture people into giving him large amounts of money and precious valuables. In this post, I will briefly look at who Nabis was, the events of his life, and, of course, the story of the evil torture robot.

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No, Thales of Miletos Was Not “the First Scientist”

Thales of Miletos (lived c. 625 – c. 545 BCE, with those dates being very approximate) is widely revered today with monikers such as “the first philosopher,” “the first scientist,” or “the first mathematician.” Many people today admire him, believing that he was an astounding, once-in-a-millennium kind of genius akin to Isaac Newton or Albert Einstein who single-handedly invented the idea of science as we know it. There is even a French defense contracting company named after him called the “Thales Group” (presumably because the name “Thales” makes people think of science, innovation, and progress, which are all much-needed positive associations for a company that actually makes deadly weapons that governments use to kill people).

The Thales of the modern imagination, however, is predominantly a myth. Most of the stories that people have heard about him are legends that can’t possibly be true, that are first attested many centuries after his death, or both. Much like Pythagoras of Samos and Hippokrates of Kos, the historical Thales of Miletos is an obscure figure about whom very little is known with any certainty.

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Carl Sagan Was Really Bad at History

Carl Sagan’s thirteen-episode documentary series Cosmos: A Personal Voyage, which originally aired on PBS in 1980, is the most watched PBS documentary series in history. The miniseries, which is, broadly speaking, about the history and importance of science, has had a massive influence on both our culture as a whole and on individual people’s lives. Many people say that watching Cosmos growing up was what inspired them to go into STEM.

Unfortunately, while Carl Sagan may have been a brilliant scientist and a great science popularizer, he was an unbelievably terrible historian and, in the show, he gets a boatload of facts about history blatantly wrong. Because Sagan was a scientist with an established reputation, though, many people have assumed that everything he says in the miniseries must be correct and, as a result, these misconceptions have spread and become embedded in popular culture.

Perhaps the most influentially wrong segment in the whole series is a twenty-two-and-a-half-minute segment in the last episode about the destruction of the Great Library of Alexandria and the murder of the Neoplatonist philosopher Hypatia. In this one segment, Sagan manages to promote what seems like roughly half of all the misconceptions about the ancient world that I have ever debunked.

I wrote an article in August 2018 debunking misconceptions about Hypatia and another article in July 2019 debunking misconceptions about the Library of Alexandria. In both of those articles, I have noted that many of the misconceptions I debunk originated from Carl Sagan’s Cosmos, but, in those articles, I did not address Carl Sagan’s PBS miniseries directly.

I have therefore decided to undertake the ambitious task of going through the entire segment about Hypatia and the Library of Alexandria and correcting all the inaccuracies I come across. This should give you some impression of how historically accurate Carl Sagan’s documentary really is.

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Did the Ancient Egyptians Have Electric Lighting?

It has been widely claimed on the internet that the ancient Egyptians had electric lighting. This claim is made largely based on an extremely tendentious interpretation of a series of relief carvings from the southern crypt of the ancient Egyptian Temple of Hathor at Dendera and the fact that some Egyptian tombs and temples do not currently have very much soot on their ceilings.

Unfortunately for those who want to believe that the ancient Egyptians had electric lighting, they simply didn’t. As I will show, the reliefs from Dendera almost certainly don’t depict lightbulbs and there is a much more reasonable explanation for why some Egyptian temples and tombs do not have soot on their ceilings.

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No, the Antikythera Mechanism Was Not Unique

If you have any interest in ancient science and technology, you have almost certainly heard of the Antikythera mechanism, an ancient Greek mechanical orrery that was discovered in 1901 in an ancient shipwreck off the coast of the Greek island of Antikythera. It is a clockwork mechanism that was used to keep track of Olympiads and the movements of the celestial bodies. The wreck the device was recovered from dates to between c. 70 and c. 60 BC. The Antikythera mechanism itself was most likely originally created sometime in around the late second or early first century BC.

In popular science writings and in popular culture, the Antikythera mechanism is usually described as an “ancient Greek computer.” It is usually presented as an astonishing example of how incredibly advanced ancient Greek technology was and it is usually presented in such a way that makes it sound as though we had no idea that devices like it even existed before it was discovered.

The truth, though, is that devices like the Antikythera mechanism are actually well-attested in surviving ancient written sources and classical scholars already knew that these kinds of devices existed in antiquity long before the Antikythera mechanism was discovered. The Antikythera mechanism is not significant because it is the only device of its kind that ever existed, but rather because it is the only one of its kind that is known to have survived to the present day.

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“Archimedes’s Death Ray” Debunked

Most people with an interest in the history of science have heard the famous story of “Archimedes’s death ray.” In case you are unfamiliar with it, it goes like this: Supposedly, during the Siege of the Greek city of Syracuse by the Romans, lasting from spring of 213 BC through autumn of 212 BC, the brilliant Syracusan inventor and mathematician Archimedes (lived c. 287 – c. 212 BC) developed a spectacular invention to keep the Roman ships at bay; he built a death ray using mirrors to concentrate the light of the sun on the Roman ships, thereby setting them on fire. Unfortunately for all the people out there who love a good story about a brilliant inventor fending off enemy forces using science, the story of “Archimedes’s death ray” is certainly apocryphal.

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