Charles Seeberger invented the modern escalator

1900-1909

• 1900-1909

• 1900 Charles Seeberger invented the modern escalator

• 1901 The first radio receiver successfully received a radio

• transmission.

• Hubert Booth invents the modern vacuum cleaner

• 1902 Willis Carrier invents the air conditioner

• The polygraph machine is invented by James Mackenzie

• Neon light was invented by George Claude

• 1903 Wright brothers invented the first gas motored and manned

• airplane

• Mary Anderson invents windshield wipers

• 1904 Electronic amplifying tube is invented

• 1907 Color Photography invented by Auguste and Louise Lumiere

• 1908 J.W. Geiger and W Muller invented the geiger counter

1910-1919

• 1910-1919

• 1910 Thomas Edison demonstrated the first talking motion picture.

• 1911 The first automobile electrical ignition system invented by Charles Kettering

• 1912 Motorized movie cameras invented

• 1912 Clarence Crane created Life Savers candy

• 1914 Garrett A. Morgan invented the gas mask

• 1915 Pyrex was invented by Eugene Sullivan and William Taylor

• 1916 Radio tuners that received different stations was invented

1920-1929

• 1920-1929

• 1920 Tommy Gun patented by John Thompson

• 1921 First robot built (beginning of artificial life)

• 1922 First 3-D movie is released

• 1923 Garrett A. Morgan invents a traffic signal

• Television (iconoscope) cathode ray tube invented

• John Harwood invented the self-winding watch

• 1924 Rice and Kellogg invent the loudspeaker

• 1925 The mechanical television invented by John Baird

• 1926 Liquid fuel rockets invented by Robert Goddard

• 1927 JWA Morrison invents the first quartz crystal watch

• Paul Galvin invents the car radio

1930-1939

• 1930-1939

• 1930 Neoprene invented by Wallace Carothers and Dupont

• Differential analyzer (analog computer invented at

• MIT)

• Frank Whittle and Dr. Hans von Ohain invent jet

• engine

• 1931 Harold Edgerton invented stop action photography

• The electron microscope is invented

• 1932 Polaroid photography invented

• Zoom lens and light meter invented

• Karl Jansky invents the radio telescope

• 1933 Frequency modulation invented by Edwin Armstrong

• 1934 Joseph Begun invents the first tape recorder for

• broadcasting

1930-1939 (continued)

• 1930-1939 (continued)

• 1936 Roy Plunkett invented tetrafluoroethylene polymers (teflon)

• First working turboprop.

• 1939 Electron microscope invented

1940-1949

• 1940-1949

• 1940 Dr William Reich invents the orgone accumulator

• Peter Goldmark invents modern color television

• 1941 Konrad Zuse creates “Z3” the first computer

• controlled by software

• Enrico Fermi invents the neutronic reactor.

• 1942 J. Atanasoff and C Berry built the first digital

• computer

• 1943 Emile Gagnan and Jacques Cousteau invent aqualung

• 1944 Kidney dialysis machine invented by Willem Kolff

• Synthetic cortisone invented by percy Julian

• 1945 The atomic bomb invented

• 1946 Microwave oven invented by Percy Spencer

1950-1959

• 1950-1959

• 1951 Power steering invented by Francis Davis

• Charles Ginsburg invented the first video tape

• recorder

• 1952 First patent for barcode issued

• Edward Teller builds hydrogen bomb

• 1953 Radial tires invented

• First musical synthesizer invented by RCA

• David Warren invents the flight recorder

• Transistor radio invented by Texas Instrument

• 1957 Fortran, the computer language invented

• 1958 Computer modem invented

• Gordon Gould invents the laser

•