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July 10 – Owen Chamberlain, American physicist, Nobel Prize laureate (died 2006). July 11 – David Challinor, American biologist, naturalist and scientific administrator at the Smithsonian Institution (died 2008). July 25 – Rosalind Franklin, English crystallographer (died 1958). July 30 – Marie Tharp, American geologist (died 2006).
In the early decades of its history, the United States was relatively isolated from Europe and also rather poor. At this stage, America's scientific infrastructure was still quite primitive compared to the long-established societies, institutes, and universities in Europe. Eight of America's founding fathers were scientists of some repute.
Several scientific panels from this time period concluded that more research was needed to determine whether warming or cooling was likely, indicating that the trend in the scientific literature had not yet become a consensus. [46] [47] [48] John Sawyer published the study Man-made Carbon Dioxide and the "Greenhouse" Effect in 1972. [49]
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 ...
The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.
1920s: Finance. America's wealth more than doubled in the years between 1920 and '29. Most of this wealth funneled into finance and industry, but enough trickled down to low-level employees to let ...
Articles and events specifically related to science in the 1920s Subcategories. This category has the following 19 subcategories, out of 19 total. 0–9.
At 12:01 a.m., Jan. 17, 1920, America was cut off. Saloons closed their doors. Taps stopped flowing. People stockpiled their whiskey, beer and wine to weather the dry spell that would last 13 years.