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World History

History of The Panama Canal in Central America

History of The Panama Canal in Central America - The panama ca…

Inventors

Margaret Knight: Inventor of The Flat-bottomed Paper Bag Machine

Margaret Knight: Inventor of the flat-bottomed paper bag machi…

Seven Wonders

The Great Pyramid At Giza (7 Wonders)

The Great Pyramid At Giza (7 Wonders) - For thousands of years,…

Inventors

Guglielmo Marconi: Inventor of Radio (1874-1937)

Guglielmo Marconi: Inventor of Radio (1874-1937) Most people…

Inventors

Martin Cooper: Developer of The Cell Phone

Martin Cooper: Developer of The Cell Phone The telephone and…

Inventors

Stephanie Kwolek: Inventor of Kevlar

Stephanie Kwolek: Inventor of Kevlar Sometimes when a scienti…

Inventors

Hans Lippershey: Inventor of The Telescope (1570-1619)

Hans Lippershey: Inventor of The Telescope (1570-1619) Hans L…

Inventors

Albert Calmette: Inventor of The Tuberculosis Vaccine

Albert Calmette was born in Nice, France, on July 12, 1863. He…