Scientific Inventions

Invention

Inventor

Year

Country

Dating
Libby
1947
U.S.A.
Neutron
Chadwick
1932
Britain
Neutron Bomb
Samuel Cohen
1958
U.S.A.
Nylon
Dr. wallace H. Carothers
1937
U.S.A.
Optical Fibre
Narinder Kapany
1955
Germany
Pacemaker
Zoll
1952
U.S.A.
Paper
A.D. 105
China
Pasteurization
Louis Pasteur
1867
France
Pencil
Lacques-Nicolas Conte
1792
France
Periodic Table
Mendeleyev
1869
Russia
Photo Film, Celluloid
Reichenbach
1893
U.S.A.
Photo Film, Transparent
Goodwin Eastman
1884
U.S.A.
Photocopier
Carlson
1938
U.S.A.
Photoelectric Cell
Julius Elster, Hans F. Geitel
1893
Germany.
Photography (on Film)
John Carbutt
1888
U. S. A.
Photography (on Metal)
J.N. Niepce
1826
France
Photography (on Paper)
W.H. Fox Talbot
1835
Britain
Piano
Cristofori
1709
Italy
Pistol, Revolver
Colt
1836
U. S. A.
Plutonium Fission
Kennedy, Whal, Seaborg, Segre
1940
U.S.A.
Pop-up toaster
Charles Strite
1927
U.S.A.
Printing (Rotary)
Richard Hoe
1846
U.S.A.
Printing (Web)
William Bullock
1865
U.S.A.
Printing Press
Johann Gutenberg
1455
Germany
Proton
Rutherford
1919
N.Zealand
Quantum Theory
Plank
1900
Germany
Radar
A. H. Taylor & Leo C. Young
1922
U.S.A.
Radio Telegraphy
Dr. Mohlon Loomis
1864
U.S.A.
Radio Telegraphy (Trans Atlantic)
G. Marconi
1901
Italy
Radiocarbon
Libby
1947
U.S.A.
Rayon
Sir Joseph Swan
1883
Britain
Razor (Electric)
Col. Jacob Schick
1931
U.S.A.
Razor (Safety)
King C. Gillette
1895
U.S.A.
Refrigerator
James Harrison, Alexander catlin
1850
U.S.A.
Relativity Theory
Einstein
1905
Germany
Rubber (Latex Foam)
Dunlop Rubber Co.
1928
Britain
Rubber (Tyres)
Thomas Hancock
1846
Britain
Rubber (Vulcanised)
Charles Goodyear
1841
U.S.A.
Rubber (Water Proof)
Charles Macintosh
1823
Britain
Safety Pin
Walter Hunt
1849
U.S.A.
Safety Razor
King Camp Gillette
1903
U.S.A.
Seat Belt
Volvo
1959
Sweden
Self-Starter
Charles F. Kattering
1911
U.S.A.
Ship (Steam)
I. C. Perier
1775
France
Ship (Turbine)
Hon. Sir C. Parsons
1894
Britain
Silk Manufacture
50 B.C.
China
Skyscraper
W. Le Baron Jenny
1882
U.S.A.
Slide Rule
William Oughtred
1621
Britain
Spinning Frame
Sir Richard Arkwright
1769
Britain
Spinning Jenny
James Hargreaves
1764
Britain

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