what are some cool inventions of the 1900s?

Question

well I am doing this S.S project about the 1900s and i need some awesome topics!

Answer 1

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1900s

* 1900: Epinephrine (adrenaline): Jokichi Takamine & Keizo Uenaka

* 1900: Rigid dirigible airship: Ferdinand Graf von Zeppelin

* 1900: Self-heating can

* 1901: Mercury vapor lamp: Peter C. Hewitt

* 1901: Disposable razor blade: King C. Gillette

* 1901: Vacuum cleaner: Hubert Booth

* 1901: Gauge blocks: Carl Edvard Johansson

* 1902: Ostwald process: Wilhelm Ostwald

* 1902: Air Conditioner: Willis Carrier [16]

* 1902: Neon lamp: Georges Claude

* 1902: Radio telephone: Valdemar Poulsen, Reginald Fessenden

* 1902: Rayon cellulose ester: Arthur D. Little

* 1903: Electrocardiograph (EKG): Willem Einthoven

* 1903: Powered, controlled airplane: Wilbur Wright and Orville Wright

* 1904: Thermionic valve: John Ambrose Fleming

* 1904: Tractor: Benjamin Holt

* 1905: Radio tube diode: John Ambrose Fleming

* 1906: Sonar (first device): Lewis Nixon

* 1906: Triode amplifier: Lee DeForest

* 1907: Helicopter: Paul Cornu

* 1907: Monosodium glutamate: Kikunae Ikeda[255]

* 1907: Radio tube triode: Lee DeForest

* 1907: Washing machine, (electric): Alva Fisher (Hurley Corporation)

* 1908: Cellophane: Jacques E. Brandenberger

* 1908: Geiger counter: Hans Geiger and Ernest Rutherford

* 1908: Gyrocompass: Hermann Anschütz-Kaempfe

* 1908: Haber process: Fritz Haber

* 1908: Umami: Kikunae Ikeda[256]

* 1909: Bakelite: Leo Baekeland

* 1909: Gun suppressor: Hiram Percy Maxim

* Microwave optics: Jagdish Chandra Bose in Bengal

* Crescograph: Jagdish Chandra Bose in Bengal[257]

* 1910: Aberic acid: Umetaro Suzuki

* 1910: Thiamine (Vitamin B1): Umetaro Suzuki[258]

* 1910: Vitamin (B vitamin): Umetaro Suzuki

* 1910: Dental Braces: Joseph Clyde[citation needed]

* 1910: Neon lighting: Georges Claude

* 1910: Thermojet engine: Henri Coandă

* 1911: Gyrocompass: Elmer A. Sperry

* 1911: Automobile self starter (perfected): Charles F. Kettering

* 1911: Hydroplane: Glenn Curtiss

* 1913: Bra: Mary Phelps Jacob

* 1913: Crossword: Arthur Wynne

* 1913: Parachute: Štefan Banič[citation needed]

* 1913: Radio receiver: Ernst Alexanderson, Reginald Fessenden

* 1913: Stainless steel: Harry Brearley

* 1913: X-Ray (coolidge tube): William D. Coolidge[259]

* 1914: Radio transmitter triode mod.: Ernst Alexanderson

* 1914: Liquid fuel rocket: Robert Goddard

* 1914: Tank, military: Sir William Ashbee Tritton and Major Walter Gordon Wilson[260]

* 1915: Tungsten Filament: Irving Langmuir

* 1915: Pyrex: Corning Inc.

* 1916: Browning Gun: John Browning

* 1916: Cultured pearl: Mikimoto Kōkichi

* 1916: Thompson submachine gun: John T. Thompson

* 1917: Sonar echolocation: Paul Langevin

* 1917: Cruise missile: Charles Kettering

* 1918: Interrupter gear: Anton Fokker

* 1918: Radio crystal oscillator: A.M. Nicolson

* 1919: Flip-flop circuit: William Eccles and F. W. Jordan

* 1919: Theremin: Leon Theremin

1920s

* 1920: Saha ionization equation: Meghnad Saha[261]

* 1921: Polygraph: John A. Larson

* 1922: Radar: Robert Watson-Watt, A. H. Taylor, L. C. Young, Gregory Breit, Merle Antony Tuve

* 1922: The absorption refrigerator: Baltzar von Platen

* 1923: Sound film: Lee DeForest

* 1923: Television Electronic: Philo Farnsworth

* 1923: Wind tunnel: Michael Max Munk

* 1923: Autogyro: Juan de la Cierva

* 1923: Xenon flash lamp: Harold Edgerton

* 1924: Automatic power loom: Sakichi Toyoda[262]

* 1925: Ultra-centrifuge: Theodor Svedberg - used to determine molecular weights

* 1925: Television Nipkow System: C. Francis Jenkins

* 1926: Television Mechanical Scanner: John Logie Baird

* 1926: Aerosol spray: Rotheim

* 1926: Yagi antenna: Hidetsugu Yagi & Shintaro Uda

* 1926: Directional antenna: Hidetsugu Yagi & Shintaro Uda

* 1926: High-gain antenna: Hidetsugu Yagi & Shintaro Uda

* 1927: Mechanical cotton picker: John Rust

* 1928: Sliced bread: Otto Frederick Rohwedder

* 1928: Electric dry shaver: Jacob Schick

* 1928: Antibiotics: Alexander Fleming (initial discovery of penicillin)

* 1928: Preselector gearbox: Walter Gordon Wilson

* 1928: Raman effect: Sir Chandrasekhara Venkata Raman[263]

* 1928: Magnetic interference balance: Shanti Swarup Bhatnagar & K. N. Mathur[264]

* 1929: Electroencephelograph (EEG): Hans Berger

* 1929: Kinescope (CRT):Vladimir Zworykin

* Band aid: Earle Dickson

* Man-made Insulin: Paul Langerhans

* Mechanical potato peeler: Herman Lay

* Phototelegraphic transmission: Yasujiro Niwa

* Mechanical television: Yasujiro Niwa

1930s

* 1930: Neoprene: Wallace Carothers

* 1931: Magnetic-resistant steel: Kotaro Honda

* 1931: Magnetic steel: Kotaro Honda

* 1931: Alnico: Tokuhichi Mish

Answer 2

A helacopter. Paul Cornu invented it.

Answer 3

jello, a ball point pen that can write in space, TANG, nuclear reactors, the microwave, nano tubes, eddie van halen's D tuna

Answer 4

The car, the computer, the TV - go outside and open your eyes...