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Kálmán Tihanyi (1897–1947), Hungary – co-inventor of cathode-ray tube and iconoscope, infrared video camera, plasma display Mikhail Tikhonravov (1900–1974), Russia – co-developer of Sputnik 1 (the first artificial satellite) together with Korolyov and Keldysh , designer of further Sputniks
4000 BC: Probable time period of the first diamond-mines in the world, in Southern India. [124] 4000 BC: Paved roads, in and around the Mesopotamian city of Ur, Iraq. [125] 4000 BC: Plumbing. The earliest pipes were made of clay, and are found at the Temple of Bel at Nippur in Babylonia. [126] [b]
Inv / Pat: The average number of inventors listed on the inventor's most recent 50 patents as of September 7, 2021 or on the date the inventor was added to the table if later. "NA" signifies the inventor was active prior to digital records. Pat Residence: The country of inventor's residence listed in their most recent patent issuance.
Image credits: Adrian Willings #3 18 Year Old Inventor, H. Day, Wearing Headphones Attached To A Wireless Device Under His Top Hat, May 1922
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The text discusses what Aristotle believed to have been all the affections common to air and water, and the kinds and parts of the Earth and the affections of its parts. It includes early accounts of water evaporation, earthquakes, and other weather phenomena. Metaxa: Metaxa is a Greek spirit invented by Spyros Metaxas in 1888. It is exported ...
America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...
One of two independent inventors of the concept of digital packet switching used in modern computer networking including the Internet. [9] [10] Published a series of briefings and papers about dividing information into "message blocks" and sending them over distributed networks (1960–1964). [11] [12] 1874 Baudot, Émile