In France, involving 1738 and 1739, Jacques de Vaucanson exhibited many life-sized automatons: a flute player, a pipe player and also a duck. The mechanical duck could flap its wings, crane its neck, and swallow meals through the exhibitor's hand, and it gave the illusion of digesting its food by https://stemrobot45061.mybuzzblog.com/6444487/the-service-robot-diaries