20th centuryFeb. 25, 1919: Oregon Taxes Gas by the GallonFeb. 24, 1949: Piercing the Edge of the Final FrontierFeb. 23, 1942: Invasion! They're Coming!Feb. 22, 1997: Hello, Dolly!Feb. 14, 1989: GPS Enters OrbitFeb. 10, 1996: Checkmate!Feb. 8, 1996: We (Mostly) Celebrate 24 Hours in CyberspaceFeb. 3, 1958: Silent Spring Seeks Its VoiceJan. 28, 1938: The Passing of the Silver CometJan. 27, 1967: 3 Astronauts Die in Launchpad FireJan. 26, 1983: Spreadsheet as Easy as 1-2-3Jan. 25, 1921: Robots First Czech InJan. 24, 1935: First Canned Beer SoldJan. 18, 1911: Clear the DeckJan. 13, 1942: Ejection Seat Works, Pilot ElatedJan. 12, 1992 or 1997: HAL of a ComputerJan. 11, 1922: Insulin Makes a Nice ShotJan. 6, 1912: Birth of the Supreme Tech SkepticJan. 5, 1972: Nixon OKs 'Low-Cost' Space ShuttleJan. 3, 1957: Electric Watch Debuts, a Space Age MarvelDec. 31, 1938: Set 'em Up, Joe ... for a Breath TestDec. 28, 1973: Endangered Species Get a Helping HandDec. 20, 1996: Science Loses Its Most Visible Public ChampionDec. 14, 1962: Mariner 2 Reaches Venus, an Interplanetary FirstMore Stories