SMC219Y1 Lecture Notes - Lecture 19: Julio Cervera Baviera, Nikola Tesla, Radio Wave
17 Nov 2017
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Telegraph, telephone - amazed that a message could be sent/heard through a wire -> changed people"s expectations about what science could do -> affected development of radio. No longer astounded by wireless telegraph/telephone - people were expecting it. Development of radio = not by a single person. Lots of people working on it - small breakthroughs. Combination of breakthroughs taking place over several years. No radio; but people were talking about it. Ww1: 1914-1918: major powers = interested in developing radio -> military benefits. Taken out of the public"s hands altogether - all classified military equipment. Public knew it was out there but couldn"t partake in radio. Lots of people in different countries working on radio from 1900-1920 (nicola tesla, Gugielmo marconi - opened first commercial radio station in the world - xwa 1919 in. War ends -> 1922: over 600 radio stations in the us; people = necessarily buying radios to hear broadcasts.
