Recovered from a Roman shipwreck in 1901, a corroded lump of bronze gears sat in a museum drawer for decades. Then, X-rays revealed an astonishing secret: an intricate, hand-crafted machine for predicting celestial events, built over 2,000 years ago.

Who created this device of such genius that its complexity wouldn't be matched for a millennium? We delve into the cutting-edge imaging that decoded its functions, exploring how ancient Greek minds conceived of a mechanical cosmos and what its existence says about lost scientific knowledge.

Hosted by Ibnul Jaif Farabi, produced by Light Knot Studios.