October 7, 1885: Niels Bohr, Danish physicist & Nobel Prize - TopicsExpress



          

October 7, 1885: Niels Bohr, Danish physicist & Nobel Prize Laureate, was born. He was among first to recognize importance of an elements atomic number. Bohr was first to apply quantum theory to atomic & molecular structure. His concept of atomic nucleus was key step in understanding nuclear fission. October 7, 1970: First major oilfield was discovered in British sector of the North Sea. It was a valuable light crude with low wax & sulfur content. October 7, 1963: President Kennedy signed nuclear test ban treaty with Britain & Soviet Union. October 7, 1913: Henry Fords automobile factory started using continuously moving assembly line. Revolutionary technique soon cut man-hours required to complete one Model T from 12-1/2 hours to 93 man-minutes. October 7, 1871: Devastating forest fire ignited in Wisconsin. Over 1,200 people lost their lives & 2 billion trees were consumed. Prolonged drought plus slash & burn method to create new farmland increased risk of forest fires. October 7, 1859: First recorded oil-well fire occurred when wooden derrick of Americas first commercial well (drilled by Edwin Drake) ignited & then was destroyed. October 7, 1806: Ralph Wedgwood, English inventor, secured first patent for carbon paper, which he described as an apparatus for producing duplicates of writings. His carbon paper was made by saturating thin paper with printers ink, and drying it out between sheets of blotting paper. It was a byproduct of his invention to help blind people write through the use of a machine, and the black paper was really just a substitute for ink. Wedgwoods original intent was to help the blind to write via use of a metal stylus instead of a quill, using carbon paper placed between two sheets of writing paper in order to transfer a copy onto the bottom sheet. October 7, 1737: Forty-foot waves sank 20,000 small water craft in Bengal, India where 300,000 people died.
Posted on: Tue, 07 Oct 2014 12:10:21 +0000

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