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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]
The 24-year-old from Brooklyn was the first to use a new technology called digitalization to capture images. Four decades later, we carry his invention in our pockets on our phones. Courtesy of ...
An ice pop is a frozen water-based dessert on a stick. It is made by freezing a colored, flavored liquid around a stick. Once the liquid freezes solid, the stick can be used as a handle to hold the ice pop. The ice pop was invented by 11-year-old Frank Epperson in 1905. Living in San Francisco, California, Epperson had left a fruit drink out ...
The light switch is invented by John Henry Holmes, Quaker of Newcastle. Reaction steam turbine invented by Anglo-Irish engineer Charles Algernon Parsons. 1885. The first commercially successful safety bicycle, called the Rover, is designed by John Kemp Starley. The following year Dan Albone produces a derivative of this called the Ivel Safety ...
The fact that something invented over 150 years ago can still seem ingenious is impressive. This mannequin, which can adjust to be just about any size a human can be, is an example of such an ...
Year Event 600 BCE: Ancient Greek philosopher Thales of Miletus described static electricity by rubbing fur on substances such as amber. 1600: English scientist William Gilbert coined the word electricus after careful experiments. He also explained the magnetism of Earth. 1660: German scientist Otto von Guericke invented a device that creates ...
The true story is that it was invented utterly by accident one fateful day more than 70 years ago, when a Raytheon engineer named Percy Spencer was testing a military-grade magnetron and suddenly ...
The 1960s (pronounced "nineteen-sixties", shortened to the "' 60s" or the "Sixties") was a decade that began on January 1, 1960, and ended on December 31, 1969. [1]While the achievements of humans being launched into space, orbiting Earth, perform spacewalk and walking on the Moon extended exploration, the Sixties are known as the "countercultural decade" in the United States and other Western ...