Witryna1.1 Post-war and the late 1940s (1946–1949) 1.2 1950s. 1.3 1960s. 1.4 1970s. 1.5 1980s and the early ... A timeline of United States inventions ... the transistor is … Witrynahistory of photography, method of recording the image of an object through the action of light, or related radiation, on a light-sensitive material. The word, derived from the Greek photos (“light”) and graphein (“to draw”), was first used in the 1830s. This article treats the historical and aesthetic aspects of still photography. For a discussion of the …

History of the Overhead Projector Bizfluent

WitrynaIn 1930, the Galvin Corporation introduced the first commercial car radio, the Motorola model 5T71, which sold for between $110 and $130 and could be installed in most … WitrynaInvention Timeline. 1940. • Penicillin was used to help cure diseases. • Morton Salt was introduced. • The first synthetic rubber tires were manufactured. • Synthetic tooth fillings were developed. • Tiffany’s in New York City was the first fully air-conditioned store. • The first commercial flights with pressurized cabins were ... fowle and company

15 Noteworthy Inventions of the 1940s - Heywood …

WitrynaOne of the most important inventions was Ernest Lawrence's (1901–1958) cyclotron, a machine that could separate particles from atoms. The cyclotron is the forebear of the huge, circular, particle accelerators used in the twenty-first century. ... The 1940s Business and the Economy: Topics in the News. The 1940s Education. The 1940s … Witryna1940s: Sports and Games. World War II (1939–45) disrupted professional sports events. After the entrance of American troops into the war in 1941, following the Japanese bombing of Pearl Harbor, many of the finest athletes joined the military. Some teams disbanded when their players went off to war. WitrynaThe following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including predecessor states in the … fowled reality