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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]
1966: First broadcast of Star Trek (original series), Batman (the live-action TV series), The Monkees, Dark Shadows, Ultra Series, Family Affair, How the Grinch Stole Christmas!, That Girl, Cathy Come Home, The Newlywed Game, Mission: Impossible and W5; England wins the World Cup Final, seen by tens of millions; NBC becomes the first network to ...
Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a receiver back into an approximation of the original image.
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.
That same year, CBS uses it for the first magnetic video tape recording (VTR) from. Although other programs are produced in color since 1954, the VTR cannot record color. 1957: The Frenchman Henri de France (1911–1986) developed the first generation of color TV system SECAM, which avoids some of the problems of the NTSC method. The weaknesses ...
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.
Leland Grove businessman George W. Preckwinkle, who has been on the Sangamon County Board since 2007, has resigned effective immediately.. Board Chairman Andy Van Meter informed other members in ...
Inventions That Changed the World is a five-part BBC Two documentary series presented by Jeremy Clarkson. First broadcast on 15 January 2004, the programme takes a look at some of the inventions that helped to shape the modern world. The UKTV channel Yesterday frequently repeats this series. However, episodes are edited to 46 minutes to allow ...