INVENTION and Discoveries(Part 8)

06 Mar 2015

Nylon

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/Dr. wallace H. Carothers

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/1937

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/U.S.A.

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Open Heart Surgery

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/Walton Lilehel

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/1953

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/U.S.A.

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Optical Fibre

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/Narinder Kapany

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/1955

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/Germany

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Oral Contraceptive Pills

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/Gregory Pincus, Rock

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/1955

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/U.S.A.

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Pacemaker

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/Zoll

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/1952

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/U.S.A.

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Paper

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/A.D. 105

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/China

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Pasteurization

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/Louis Pasteur

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/1867

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/France

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Pencil

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/Lacques-Nicolas Conte

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/1792

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/France

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Penicillin

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/Alexander Fleming

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/1928

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/Britain

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Periodic Table

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/Mendeleyev

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/1869

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/Russia

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Photo Film, Celluloid

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/Reichenbach

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/1893

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/U.S.A.

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Photo Film, Transparent

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/Goodwin Eastman

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/1884

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/U.S.A.

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Photocopier

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/Carlson

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/1938

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/U.S.A.

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Photoelectric Cell

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/Julius Elster, Hans F. Geitel

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/1893

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/Germany.

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Photography (on Film)

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/John Carbutt

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/1888

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/U. S. A.

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Photography (on Metal)

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/J.N. Niepce

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/1826

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/France

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Photography (on Paper)

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/W.H. Fox Talbot

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/1835

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/Britain

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Physiology

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/Albrecht Von Haller

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/1757-66

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/Switzerland

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Piano

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/Cristofori

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/1709

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/Italy

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Pistol, Revolver

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/Colt

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/1836

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/U. S. A.

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Plutonium Fission

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/Kennedy, Whal, Seaborg, Segre

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/1940

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/U.S.A.

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Pop-up toaster

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/Charles Strite

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/1927

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/U.S.A.

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Positron Emission Tomography

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/Louis Sokoloff

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/1978

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/U.S.A.

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Printing (Rotary)

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/Richard Hoe

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/1846

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/U.S.A.

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Printing (Web)

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/William Bullock

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/1865

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/U.S.A.

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General Awareness