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The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies.
The first satellite relayed phone calls were achieved early on in the space age, after the first relay test was conducted by Pioneer 1 and the first broadcast by SCORE in 1958 at the end of the year, after Sputnik I became at the beginning of the year the first satellite in history.
An old rotary dial telephone AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly.
Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).
Marie Eugène François Thomas Dubois (French: [øʒɛn dybwɑ]; 28 January 1858 – 16 December 1940) was a Dutch paleoanthropologist and geologist. He earned worldwide fame for his discovery of Pithecanthropus erectus (later redesignated Homo erectus), or "Java Man".
Stanley was born in Ridgeville, Indiana, and earned a BSc in chemistry at Earlham College in Richmond, Indiana.He then studied at the University of Illinois, gaining an MS in science in 1927 followed by a PhD in chemistry two years later.
Gordon Earle Moore (January 3, 1929 – March 24, 2023) was an American businessman, engineer, and the co-founder and emeritus chairman of Intel Corporation.He proposed Moore's law which makes the observation that the number of transistors in an integrated circuit (IC) doubles about every two years.
Charles-Augustin de Coulomb (/ ˈ k uː l ɒ m,-l oʊ m, k uː ˈ l ɒ m,-ˈ l oʊ m / KOO-lom, -lohm, koo-LOM, -LOHM; [1] French:; 14 June 1736 – 23 August 1806) was a French officer, engineer, and physicist.