The Great Pyramid At Giza (7 Wonders)
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 rich and …
World History
Margaret Knight: Inventor of The Flat-bottomed Paper Bag Machine
Margaret Knight: Inventor of the flat-bottomed paper bag machine (1838-1914) Margaret Knight was fascinated by machinery; she eventually settled on inventing as a full-time profession. Inventing was an unusual choice …
The History of the Computer
The History of the Computer Computer are unlike some other inventions in that no single person invented them and the idea was not born at a definite moment in time. …
Martin Cooper: Developer of The Cell Phone
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 century, they came together in …
Hans Lippershey: Inventor of The Telescope (1570-1619)
Hans Lippershey: Inventor of The Telescope (1570-1619) Hans Lippershey is often credited with inventing the telescope because he was the first to file paperwork on the device. It remains unknown, …
Stephanie Kwolek: Inventor of Kevlar
Stephanie Kwolek: Inventor of Kevlar Sometimes when a scientist makes a discovery, its nature and usefulness are not immediately clear. This is the case with chemist Stephanie Kwolek, who manufactured …
Guglielmo Marconi: Inventor of Radio (1874-1937)
Guglielmo Marconi: Inventor of Radio (1874-1937) Most people think of radio as something they listen to at home or in the car, but the underlying technology has many more applications …
James T. Russell: Inventor of The Compact Disc
James Russell developed the concepts underlying the compact disc (CD) and the digital video disc (DVD), both widely popular technologies that use light to store data. Russell’s ideas were somewhat …
Albert Calmette: Inventor of The Tuberculosis Vaccine
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. When he was …