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Genetic evidence from body lice suggests a range of dates centering over 100 thousand years ago. [28] The first bone scrapers appropriate for scraping hides to make supple leather were found in Morocco dating to 90–120,000 years ago. [29] [30] 164 kya – 47 kya: Heat treating of stone blades in South Africa. [31]
Jerome H. Lemelson (1923–1997), U.S. – inventions in the fields in which he patented make possible, wholly or in part, innovations like automated warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive used in Sony's Walkman tape players.
Image credits: Sasha Weilbaker #3 Wetsuits. Unlike whales, beavers don’t have layers of blubber to keep them warm when they dive into chilly water. Instead, their thick fur traps air among the ...
The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
[20] 600 BC: Thales of Miletus is credited with proving Thales's theorem. [21] [22] [23] 600 BC: Maharshi Kanada gives the ideal of the smallest units of matter. According to him, matter consisted of indestructible minutes particles called paramanus, which are now called as atoms. [24]
5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
This is a list of inventions followed by name of the inventor (or whomever else it is named after). For other lists of eponyms (names derived from people) see Lists of etymologies . The list
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.