In 1900, Greek divers stumbled upon a 2,000-year-old shipwreck whose contents would shake our understanding of the ancient world. Among the remains were fragments of mangled wood and corroded metal, which archaeologists soon realized were parts of the oldest geared device ever discovered — and humankind’s first computer. So, how did it work? Max G. Levy explains the Antikythera mechanism. Lesson by Max G. Levy, directed by Vicente Numpaque, Hernando Bahamon, Globizco Studios.