Leonardo Da Vinci’s mechanical knight was a humanoid automaton, designed and possibly constructed by da Vinci around 1495. When a version of the mechanical knight was brought into existence several hundred years later, it could stand, sit, raise its visor, and independently maneuver its arms, operated by a series of pulleys and cables. Today, of course, robots have escaped da Vinci’s fantasies. Today they land on Mars, help nurses treat COVID-19 patients, and slave in car manufactur ...