THE 5-SECOND TRICK FOR SERVICE ROBOT

In France, involving 1738 and 1739, Jacques de Vaucanson exhibited various life-sized automatons: a flute participant, a pipe participant plus a duck. The mechanical duck could flap its wings, crane its neck, and swallow foodstuff through the exhibitor's hand, and it gave the illusion of digesting its food items by excreting make any difference sto