inventionsMarch 12, 1790: Batteries Now IncludedBy D DumasMarch 8, 1955: The Mother of All Operating SystemsBy Priya GanapatiMarch 4, 1877: The Microphone Sounds Much BetterBy Eliot Van BuskirkFeb. 26, 1870: New York City Blows Subway OpportunityBy Keith BarryFeb. 25, 1837: Davenport Electric Motor Gets Plugged InBy Dylan TweneyFeb. 24, 1664: Steam Power Is Newcomen InBy Priya GanapatiFeb. 3, 1468: Closing the Book on GutenbergBy Tony LongJan. 29, 1901: DuMont Will Make TV WorkBy Hugh HartCultureJan. 25, 1979: Robot Kills HumanBy David KravetsDec. 29, 1766: He Put the Mac in MackintoshBy Tony LongDec. 23, 1947: Transistor Opens Door to Digital FutureBy Priya GanapatiDec. 22, 1882: Looking at Christmas in a New LightBy Tony LongDec. 18, 1878: Let There Be Light — Electric LightBy Priya GanapatiDec. 17, 1903: Bicycle Brothers Make Aeroplane Work WrightBy Jason PaurDec. 8, 1931: Coaxial Cable PatentedBy Brian X ChenDec. 3, 2001: Segway Starts RollingBy Dylan TweneyDec. 2, 1982: Barney Clark Takes One for the TeamBy Tony LongNov. 30: A St. Andrew's Day Salute to Scottish InventorsBy Lewis WallaceCultureLife-Size Models Take You Inside Leonardo da Vinci's WorkshopBy Lewis WallaceNov. 16, 1904: Vacuum Tube Heralds Birth of Modern ElectronicsBy Tony LongNov. 11, 1930: Einstein Gets Ice ColdBy Alexis MadrigalNov. 4, 1879: Ka-Ching! The World's First Cash RegisterBy John C AbellNov. 3, 1993: Theremin Fades OutBy Michael CaloreNov. 2, 1895: Cars Can't Get to First Gasoline RaceBy Tony BorrozMore Stories