SOCE timeline 10 inventions By chickenbums 1940 Medical application of Penicillin 1952 Victa Lawn Mower 1955 Atomic Absorption Spectrophotometer 1958 Black Box Flight Recorder 1977 Cochlear Implant 1979 Dual-flush Toilet 1987 Polymer Banknotes 1992 Wi-Fi Technology 2003 google maps 2006 HPV Vaccine