Energy in the U.S.A By idanii1 Jan 1, 1687 Newton's Laws of Motion May 16, 1821 First natural gas well dug Oct 22, 1879 Light Bulb invented Oct 7, 1888 Wind turbines invented Sep 13, 1891 First natural pipeline built Feb 16, 1911 First geothermal power plant Sep 1, 1941 Solar cell invented Aug 6, 1945 First nuclear bomb used against enemy Aug 6, 1977 Hydrothermal vents invented Apr 26, 1986 Chernobyl disaster