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This invention was only primarily used with steam locomotives that had booster valves or superchargers to heat the fire even hotter to produce extra power. The coal used was semi-bituminous and bituminous coal only inside the steam locomotives. Sadly, this invention lasted until 1960 when Diesel's fully replaced American railroads. 1943 Slinky
The year 1920 in science and technology involved some significant events, listed below. Astronomy and space science. January 13 ...
The 1920s (pronounced "nineteen-twenties" often shortened to the "' 20s" or the "Twenties") was a decade that began on January 1, 1920, and ended on December 31, 1929. . Primarily known for the economic boom that occurred in the Western World following the end of World War I (1914–1918), the decade is frequently referred to as the "Roaring Twenties" or the "Jazz Age" in America and Western ...
1920: Arthur Eddington: Stellar nucleosynthesis; 1922: Frederick Banting, Charles Best, James Collip, John Macleod: isolation and production of insulin to control diabetes; 1924: Wolfgang Pauli: quantum Pauli exclusion principle; 1924: Edwin Hubble: the discovery that the Milky Way is just one of many galaxies
1920: The first regularly operating radio station KDKA goes on air on 2 November 1920 in Philadelphia, USA. It is the first time electronics are used to transmit information and entertainment to the public at large. The same year in Germany an instrumental concert was broadcast on the radio from a long-wave transmitter in Wusterhausen.
1920s: The Spanish Flu. In the fall of 1918, a mutated version of the virus that claimed its first victims in the spring made its way around the world, causing the death rate to escalate quickly ...
4.2.3 1920s. 4.2.4 1930s. 4.2.5 1940-1944. ... The timeline of historic inventions is a chronological list of particularly significant technological inventions and ...
Behind many of the world's most important inventions were even more fantastic flops ... 5 flops from the world's most famous inventors. Clinton Nguyen. Updated September 9, 2016 at 5:18 PM.