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Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
List of African educators, scientists and scholars; List of Argentine scientists; List of Armenian scientists and philosophers. List of African-American inventors and scientists; List of Arab scientists and scholars; List of Austrian scientists; List of Azerbaijani scientists and philosophers; List of Brazilian scientists; List of Bangladeshi ...
Subrata Roy (scientist) – India, United States; Carlo Rubbia – Italy (born 1934) Nobel laureate; Vera Rubin – United States (1928–2016) Serge Rudaz – Canada, United States (born 1954) David Ruelle – Belgium, France (born 1935) Ernst August Friedrich Ruska – Germany (1906–1988) Nobel laureate; Ernest Rutherford – New Zealand, U ...
For their role in the Manhattan Project: Aerodynamics: Nikolai Zhukovsky George Cayley [133] Zhukovsky was the first to undertake the study of airflow, was the first engineer scientist to explain mathematically the origin of aerodynamic lift. Cayley Investigated theoretical aspects of flight and experimented with flight a century before the ...
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
The magazine features the year's most groundbreaking inventions -- from flying hoverboards to a pill that monitors your vitals Popular Science's top inventions of 2016 revealed Skip to main content
This list of African-American inventors and scientists documents many of the African Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...