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History of The Panama Canal in Central America - The panama canal creates one of the longest shortcuts in the world. Before it was built, ships goi…

Margaret Knight: Inventor of the flat-bottomed paper bag machine (1838-1914) Margaret Knight was fascinated by machinery; she eventually settled …

The Great Pyramid At Giza (7 Wonders) - For thousands of years, ancient Egypt was ruled by kings called pharaohs. For much of that time, Egypt was a…

Stephanie Kwolek: Inventor of Kevlar Sometimes when a scientist makes a discovery, its nature and usefulness are not immediately clear. This is th…

Albert Calmette was born in Nice, France, on July 12, 1863. He had two brothers, one of whom became an army physician, and the other, a journalist.…

Martin Cooper: Developer of The Cell Phone The telephone and radio were two of the greatest inventions of the late 19th century. During the 20th …

Hans Lippershey: Inventor of The Telescope (1570-1619) Hans Lippershey is often credited with inventing the telescope because he was the first to…