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From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
20th-century percussion instruments (21 P) Pages in category "20th-century inventions" ... Point of sale; Popham panel; Power window; R.
Electrification spread rapidly in the 20th century. At the beginning of the century electric power was for the most part only available to wealthy people in a few major cities. By 2019, an estimated 87 percent of the world's population had access to electricity. [98] Birth control also became widespread during the 20th century.
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 ...
Also, by the end of the 20th century, uncrewed probes had visited the Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, and various asteroids and comets. The Hubble Space Telescope , launched in 1990, greatly expanded our understanding of the Universe and brought brilliant images to TV and computer screens around the world.
An AI-powered toilet seat has been named by Time Magazine as one of the top 200 inventions of 2024. It optically scans a user’s stool and urine, to detect any concerning changes that might ...
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;
20th-century inventions (2 C, 127 P) 21st-century inventions (1 C, 22 P) This page was last edited on 24 July 2023, at 04:41 (UTC). Text is available under the ...