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Early in 2019, Bill Gates called lab-grown meats one of the "10 Breakthrough Technologies" of 2019. For more American inventions and innovators looking to make a difference in the world, check out ...
Pages in category "20th-century inventions" The following 126 pages are in this category, out of 126 total. This list may not reflect recent changes. A.
Pages in category "20th-century American inventors" The following 200 pages are in this category, out of approximately 1,313 total. This list may not reflect recent changes .
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 ...
2019: The first image of a black hole is captured, using eight different telescopes taking simultaneous pictures, timed with extremely precise atomic clocks. [1] 2020: NASA and SOFIA (Stratospheric Observatory for Infrared Astronomy) discover about 12 US fl oz (350 ml) of surface water in one of the Moon's largest visible craters.
The 20th century saw mathematics become a major profession. As in most areas of study, the explosion of knowledge in the scientific age has led to specialization: by the end of the century there were hundreds of specialized areas in mathematics and the Mathematics Subject Classification was dozens of pages long. [72]
Pages in category "20th-century inventors" The following 30 pages are in this category, out of 30 total. This list may not reflect recent changes. A. Manuel de Abreu;
Electrification was rated the most important technical development of the 20th century as the foundational infrastructure for modern civilization. [92] This invention had a profound effect on the workplace because factories could now have second and third shift workers. [93] Shoe production was mechanized during the mid 19th century. [94]