Who tried to inavate in earth in 20th century
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Who tried to inavate in earth in 20th century
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1900 – 1910 inventions
1901 : Vacuum cleaner.
1902 : Air conditioning; automated tea maker.
1903 : Electrocardiogram; first powered flight.
1904 : Radar; tea bags; diodes.
1905 : Plastic; windscreen wipers; silencer for guns.
1906 : Radio broadcasting.
1907 : Electric washing machine.