ILLIAC I
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The ILLIAC I, a pioneering computer in the ILLIAC series of computers built in 1952 by the University of Illinois, was the first computer built and owned entirely by a United States educational instit
Memory drum of ILLIAC I, on display at the Spurlock Museum.
Alice (Betsy) E. D. Gillies and Donald B. Gillies with the ILLIAC I at the Digital Computer Lab, Urbana Illinois, circa 1958.
Sputnik 1
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Sputnik 1, often referred to as simply Sputnik, was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet
ILLIAC I
…C. McVittie, S. P. Wyatt, Ivan R. King and George W. Swenson of the University of Illinois used the ILLIAC I computer to calculate the orbit of the Sputnik 1 satellite within two days of its launch. 1960 – The first version of the PLATO computer-based education system was implemented on the ILLIAC I by a…
Replica of Sputnik 1 in the Museum of Space and Missile Technology (Saint-Petersburg)
Last remaining piece of Sputnik 1: metal arming key which prevented contact between batteries and transmitter prior to launch; on display at the Smithsonian National Air and Space Museum
30 kopek USSR stamp depicting Sputnik 1 orbiting the Earth, the Earth orbiting the Sun and the Sun orbiting the centre of the Milky Way galaxy
First ground track of Sputnik 1 on 13 October 1957 4:51 from Rodewisch