it has to be science related and important to the whoe world!. not just a random fact!. need 7Www@QuestionHome@Com
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Position:Home>History> Please urgent help. need factsa about period from 1916-1930?Question: Please urgent help!. need factsa about period from 1916-1930!? it has to be science related and important to the whoe world!. not just a random fact!. need 7Www@QuestionHome@Com
Best Answer - Chosen by Asker: Greatest Scientific Inventions: 1916 : sonar 1920 : hair dryers; kiss-proof lipstick; submachine guns 1921 : robots; insulin 1922 : Aga cooker 1923 : hearing aids 1924 : frozen food 1925 : Geiger counter; television 1926 : liquid fuel rocket; pop-up toaster; aerosol sprays 1927 : ‘Talkies’ at the movies 1928 : iron lung; penicillin 1929 : artificial life 1930 : jet engine; mechanical toothbrushes; Scotch tape Www@QuestionHome@Com |