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[6] [7] [8] Quizlet's blog, written mostly by Andrew in the earlier days of the company, claims it had reached 50,000 registered users in 252 days online. [9] In the following two years, Quizlet reached its 1,000,000th registered user. [10] Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11]
View history; Tools. Tools. move to sidebar hide. ... Vehicles introduced in 1966 (5 C, ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
[6] David Mumford introduces Mumford–Tate groups. [7] Euler's sum of powers conjecture is disproven by L. J. Lander and T. R. Parkin when, through a direct computer search on a CDC 6600, they have found the counterexample 27 5 + 84 5 + 110 5 + 133 5 = 144 5. Their paper [8] announcing the result is one of the shortest published scientific ...
Project Gemini (IPA: / ˈ dʒ ɛ m ɪ n i /) was the second United States human spaceflight program to fly. Conducted after the first American crewed space program, Project Mercury, while the Apollo program was still in early development, Gemini was conceived in 1961 and concluded in 1966.
View history; Tools. Tools. move to sidebar ... Vehicles introduced in 1966 (5 C, 16 ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
July 11 – The 1966 FIFA World Cup begins in England. July 12 – Zambia threatens to leave the Commonwealth of Nations because of British peace overtures to Rhodesia . July 13 – In Chicago , United States, Richard Speck breaks into a nurses' dormitory and murders eight of the nine student nurses who live there.
Margaret Crane's patent illustration for "Diagnostic Test Device", the first home pregnancy test. Margaret M. Crane (Meg Crane) is an American inventor and graphic designer who created the first at home pregnancy test in 1967 while working at Organon Pharmaceuticals in West Orange, New Jersey. [1]
The history of computing hardware starting at 1960 is marked by the conversion from vacuum tube to solid-state devices such as transistors and then integrated circuit (IC) chips. Around 1953 to 1959, discrete transistors started being considered sufficiently reliable and economical that they made further vacuum tube computers uncompetitive.