{"text":"... The invention of the mechanical clock in medieval Europe. This was one of the great inventions in this history of mankind -- not in a class with fire and the wheel, but comparable to movable type in its revolutionary implications for cultural values, technological change, social and political organization, and personality.","author":"David S. Landes","tags":["culture","david-s-landes","inventions","mechanical-clock","technology"],"id":26547,"author_id":"David+S.+Landes"}