This Day in TechMarch 9, 1454: This Man Is a Continent ... or TwoBy Randy AlfredMarch 8, 1955: The Mother of All Operating SystemsBy Priya GanapatiMarch 5, 1904: Tesla's Having a BallBy Tony LongMarch 4, 1877: The Microphone Sounds Much BetterBy Eliot Van BuskirkMarch 3, 2005: Fossett Circuits Globe Alone, All in One GoBy Tony LongMarch 2, 1949: Around the World Without LandingBy Jason PaurMarch 1, 1966: Probe Makes First Contact With Another PlanetBy Betsy MasonFeb. 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. 23, 1987: 'Quintessential' Supernova Bursts on the SceneBy Alexis MadrigalFeb. 22, 1857: Hertz Enters Cycle of LifeBy Randy AlfredFeb. 19, 1473: Copernicus BornBy Tony LongFeb. 18, 1838: Physicist Machs His EntranceBy Jason PaurFeb. 17, 1972: Beetle Outruns Model TBy Tony BorrozFeb. 16, 1978: Bulletin Board Goes ElectronicBy Scott GilbertsonTech Presidents Day: George, Tom and AbeBy Randy AlfredFeb, 11, 1939: Lise Meitner, 'Our Madame Curie'By Beverly HanlyFeb. 10, 1961: Moses Parts the Waters at NiagaraBy Brian X ChenFeb. 9, 1969: Behemoth AloftBy Tony LongFeb. 9, 1870: Feds Get on Top of the WeatherBy Randy AlfredFeb. 8, 1865: Mendel Reads Paper Founding GeneticsBy Randy AlfredFeb. 5, 1940: It's Surreal Thing — H.R. Giger BornBy Scott ThillFeb. 4, 1951: Major Assist Removes Enormous CystBy D DumasMore Stories