CS100 Lecture Notes - Lecture 7: Baby Boom, Electromagnetic Radiation, Wireless Telegraphy
Document Summary
It could have been different: audience: new city dwellers, immigrant working class, middle-class hostility/moral panic, the (cid:862)(cid:374)i(cid:272)kelodeo(cid:374)(cid:863) (cid:1005)(cid:1013)(cid:1004)(cid:1009, 1920s (cid:862)pi(cid:272)ture pala(cid:272)es(cid:863) Immediacy: domestic (unlike film, true (cid:862)(cid:271)road(cid:272)ast(cid:863) (cid:373)ediu(cid:373, commercial vs public, generic, concentration. Telephone: one to many, instead of one to one, telefon hirmondo. Electromagnetic waves: mar(cid:272)o(cid:374)i (cid:862)(cid:449)ireless telegraph(cid:863) (cid:1005)(cid:1012)(cid:1013)(cid:1008, ship to shore, ship to ship, 1912 titanic, also 1912, radio licensing act, 1919 radio corporation of america, 1920 kdka pittsburgh, 1926 rca created the national broadcasting corporation (nbc) Radio is amazing really mass audience free (cid:894)e(cid:454)(cid:272)ept (cid:895: everywhere (almost) incredible potential for social good (education, information) If ta(cid:374)dage (cid:272)a(cid:374) (cid:272)all telegraph(cid:455) the (cid:862)vi(cid:272)toria(cid:374) i(cid:374)ter(cid:374)et(cid:863) i (cid:272)a(cid:374) (cid:272)all radio the (cid:862)post- Early development: amateurs, tinkerers, hobbyists, rca, 1930, about 25 000 tv sets in the us. Post-war context: 1945-1952 tv ownership goes from less than 1% to more than 70, suburbanization, economic prosperity, baby boom.
