technology By jacobo massri Mar 30, 1950 Mar 30, Phototransistor invention more information Jan 1, 1953 invented Lexan polycarbonate resin, a hard plastic. more information Jan 1, 1956 first commercial videotape recorder. more information Jan 1, 1959 halogen lamp. more information Jan 1, 1962 light-emitting diode more information Oct 11, 1965 pamers diapers more information Jan 1, 1968 America’s first 911 emergency telephone system more information Jan 1, 1971 the world's first microprocessor more information Jan 1, 1974 paper that outlined the protocols of the Internet more information
