One object recovered from the location, a lump the scale of a giant dictionary, initially escaped notice amid more exciting finds. Months later, nonetheless, on the National Archaeological Museum in Athens, the lump broke apart, revealing bronze precision gearwheels the scale of coins. In accordance with historical knowledge on the time, gears like these mustn’t have appeared in ancient Greece, or anywhere else on the planet, until many centuries after the shipwreck. The find generated huge controversy.