Wednesday Writing Hook
Sure Hump-Day can suck, but we’ve decided to turn it into a *Hooray-Day* by releasing a new writing hook every week! Each edition will feature an image of an artefact, a complementary writing hook, and a little about its historical provenance, with a further reading option. We’d love to hear about the stories and adventures you wrote with them – be sure to detail them in the comments below! You can subscribe for more writing hooks, or find them on Facebook or Twitter.

The Writing Hook

 

Entering the temple of Chronos (Time in Greek) you are overwhelmed by the clicking sounds of a mechanicala device in the middle of the large hall. The device appears to be a model of the planets around the sun that move slowly over your head. Passing through the hall you find yourself in a small room with a pedestal in the middle. On top of the pedestal you can see a small device, no bigger than
1 foot tall guarded by four heavily armed guards and two priests who stand beside it writing on a piece of parchment. One of the priests uses the machine which in turn, moves and a small representation of the moon and the sun circle around…. 

The Historical Facts of the Tomb of the Sunken Skulls

After 2,000 years under the sea, three flat, misshapen pieces of bronze at the National Archaeological Museum in Athens are all shades of green, from emerald to forest. From a distance, they look like rocks with patches of mold. Get closer, though, and the sight is stunning. Crammed inside, obscured by corrosion, are traces of technology that appear utterly modern: gears with neat triangular teeth (just like the inside of a clock) and a ring divided into degrees (like the protractor you used in school). Nothing else like this has ever been discovered from antiquity. Nothing as sophisticated, or even close, appears again for more than a thousand years.

The Antikythera mechanism was similar in size to a mantel clock, and bits of wood found on the fragments suggest the antikythera mechanism 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: one hand for the Sun, one for the Moon and one for each of the five planets visible to the naked eye—Mercury, Venus, Mars, Jupiter and Saturn. A rotating black and silver ball showed the phase of the Moon. Inscriptions explained which stars rose and set on any particular date. There were also two dial systems on the back of the case, each with a pin that followed its own spiral groove, like the needle on a record player. One of these dials was a calendar. The other showed the timing of lunar and solar eclipses.

Experts have been working to decipher inscriptions hidden inside the mechanism, in particular to understand the mechanism’s missing pieces, some destroyed, some probably still at the bottom of the sea. Though the pointers on the front face don’t survive, Alexander Jones, a historian at the Institute for the Study of the Ancient World in New York, says an inscription reveals that they carried colored balls: fiery red for Mars, gold for the Sun.

Also missing are the parts that drove the planetary pointers, leading to debate about exactly how they moved. Because planets orbit the Sun, when viewed from Earth they appear to wander back and forth in the sky. The Greeks explained this motion with “epicycles”: small circles superimposed on a larger orbit. According to Michael Wright, a former curator at London’s Science Museum who has studied the mechanism longer than anyone, it modeled epicycles with trains of small gears riding around larger ones. Though some experts have dismissed this as beyond the Greeks’ abilities, Jones says he will publish evidence supporting the idea later this year.

Antikythera Mechanism Recreation

Other inscriptions hint at where the mechanism was made. Paul Iversen, a classicist at Case Western Reserve University in Cleveland, reports that the calendar includes month names used in Corinth and its colonies in northwest Greece. A dial that displayed the timing of major athletic festivals, including the Olympics, lists Naa, a festival held in northwest Greece, and Halieia, held to the south on the island of Rhodes. Perhaps the mechanism hailed from Rhodes and was being shipped north. The ancient philosopher Posidonius had a workshop in Rhodes that could have been the source; according to Cicero, Posidonius made a similar model of the heavens in the first century B.C.

The tradition of making such mechanisms could be much older. Cicero wrote of a bronze device made by Archimedes in the third century B.C. And James Evans, a historian of astronomy at the University of Puget Sound in Tacoma, Washington, thinks that the eclipse cycle represented is Babylonian in origin and begins in 205 B.C. Maybe it was Hipparchus, an astronomer in Rhodes around that time, who worked out the math behind the device. He is known for having blended the arithmetic-based predictions of Babylonians with geometric theories favored by the Greeks.

Regardless, the Antikythera mechanism proves that the ancient Greeks used complex arrangements of precisely cut wheels to represent the latest in scientific understanding. It’s also a window into how the Greeks saw their universe. They came to believe that nature worked according to predefined rules, like a machine—an approach that forms the basis of our modern scientific views. Edmunds argues that this “mechanical philosophy” must have developed as a two-way process. The ancient mechanics who captured the cosmos in bronze weren’t just modeling astronomical theories but were also inspiring them.

Looking for some more cool fact and hooks? Check the Wednesday Writing Hooks series

About Dimitris Romeo Havlidis

My name is Dimitris Romeo. I am a dyslexic one-eyed, web architect, developer and designer with a passion for photography, User Experience and telling stories.I spend my free time taking photos, watching tv series, cooking and watering my plants.I love lemon tarts, audiobooks, top hats, fantasy and science fiction in all its forms.

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