Computer science development of sophisticated computing equipment. Wilhelm Schickard designed and constructed the first working mechanical calculator in 1623. In 1673, Gottfried Leibniz demonstrated a digital mechanical calculator, called the Stepped Reckoner. He may be considered the first computer scientist and information theorist, for, among other reasons, documenting the binary number system. In 1820, Thomas de Colmar launched the mechanical calculator industry when he released his simplified arithmometer, which was the first calculating machine strong enough and reliable enough to be used daily in an office environment. Charles Babbage started the design of the first "automatic mechanical calculator", his Difference Engine, in
American Inventor American Inventor American Inventor is a reality television series based on a competition to be named America's best inventor. It was conceived by Simon Cowell and the producers of "American Idol" after appeared on Season 5 with his Cosmic Coaster invention. He also appeared on Season 2 of American Inventor and was featured in the Florida auditions. It premiered on ABC on March 16, 2006. It was organized as a competition between the various inventors resulting in one overall winner. Janusz Liberkowski, who invented a new type of child safety seat based on the human womb called the Anecia Safety