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Strokes of genius Each and every day, there are brilliant minds working behind the scenes to develop inventions and technology that make our lives better, easier, or just plain more fun. Depending ...
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 ...
George Robert Carruthers (October 1, 1939 – December 26, 2020) [1] [2] was an American space physicist and engineer.Carruthers perfected a compact and very powerful ultraviolet camera/spectrograph for NASA to use when it launched Apollo 16 in 1972.
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January 26 – The Hale Telescope at Palomar Observatory in California, the largest aperture optical telescope in the world for 28 years, sees first light.; June 14 – Albert II, a rhesus monkey, becomes the first mammal in space, in a U.S.-launched V-2 rocket, reaching an altitude of 83 miles (134 km) but dying on impact after a parachute failure.
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.
November 3 – Mariner program: NASA launches the Mariner 10 toward Mercury (on March 29, 1974, it becomes the first space probe to reach that planet); it will be the first space flight to use gravity assist. December 3 – Pioneer program: Pioneer 10 sends back the first close-up images of Jupiter.
Today, of course, you can find practically anything you need on Amazon, which was valued at $1.7 trillion – yes, trillion with a 't' – in 2020. Wikimedia Commons 1995: eBay