Exploring ancient medical techniques and possible new applications in the modern era. Techniques reviewed include: bloodletting by leeches; reading from a torpedo fish; trepanning to relieve pressure on the brain; Roman battlefield surgery and tools.
An examination of ancient robotics includes a look at the automata of ancient China; the Hellenistic engineers Heron and Philon; the Kurdish engineer Al-Jazari; the Byzantine Empire; and Leonardo da Vinci.
Ancient mechanical devices are examined, including a jar that appears to be an electric battery; a flour mill in France that is run by waterwheels; and Archimedes' use of solar power to defeat the Romans.
Warfare technology is examined, including the Helepolis, a square fortified tower on wheels; and Greek Fire, an incendiary liquid that stuck to people and objects and couldn't be extinguished with water.