There’s nothing like an ancient mystery, especially one as seemingly insoluble as the origins of “the world’s first computer,” the Antikythera mechanism. Discovered off the coast of the Greek island of Antikythera in 1901, the corroded collection of gears and dials seemed fake to scientists at first because of its ingeniousness. It has since been dated to 100 to 150 BC and has inspired decades of research and speculative reconstruction. Yet, no one knows who made it, and more importantly, no one knows how it was made.
“The distance between this device’s complexity and others made at the same time is infinite,” says Adam Wojcik, a materials scientist at the University College of London. “Frankly, there is nothing like it that has ever been found. It’s out of this world.”
The expression should not make us think of ancient aliens — the Antikythera mechanism contains more than enough evidence of human limitation, showing a geocentric model of the cosmos with the only five planets its maker would have known.
The 2,000-plus year-old device continues to reveal its secrets, including hidden inscriptions found during CT scans of the object, as Smithsonian reported in 2015. The mechanism is “similar in size to a mantel clock, and bits of wood found on the fragments suggest it was housed in a wooden case. Like a clock, the case would’ve had a large circular face with rotating hands. There was a knob or handle on the side, for winding the mechanism forward or backward. And as the knob turned, trains of interlocking gearwheels drove at least seven hands at various speeds. Instead of hours and minutes, the hands displayed celestial time.”
If the Antikythera mechanism is a “celestial clock,” who better to design and build its reconstruction than a clockmaker? That is exactly what we see in the videos above, created for the clockmaking YouTube channel Clickspring. Using the best scientific model of the mechanism to date — published this year by Dr. Tony Freeth and colleagues of the Antikythera Mechanism Research Project — Clickspring shows how the device might have fit together and makes educated guesses about the right placement of its dozens of small parts.
You can see a preview of the Antikythera reconstruction project at the top, watch the full project above, and see individual episodes showcasing different phases of construction on YouTube. The model “conforms to all the physical evidence,” Freeth writes, “and matches the descriptions in the scientific inscriptions engraved on the mechanism itself.” What no one can figure out, however, is just how the ancient Greek artisans who made it shaped precision metal parts without lathes and other modern tools of the machine-makers trade. Researchers, and clockmakers, may have pieced together the Antikythera puzzle, but the mystery of how it came into existence at all remains unsolved.