Posted in White History on Jun 30th, 2012
1948 The transistor was demonstrated by its inventors, John Bardeen and Walter Brattain, scientists at the Bell Telephone Laboratory in Murray Hill, NJ. 1894 The Tower Bridge across the River Thames in London was officially opened. The chief engineer was Sir John Wolfe-Barry. 1808 British chemist and inventor Humphry Davy announced he had separated the [...]
Posted in White History on Jun 29th, 2012
1868 American astronomer George Ellery Hale was born in Chicago. He is known for inventing the spectroheliograph while an undergraduate at MIT, with which he made his discoveries of the solar vortices and magnetic fields of sun spots. He also worked to found a number of significant astronomical observatories, including Yerkes Observatory, Mount Wilson Observatory, [...]
Posted in White History on Jun 28th, 2012
1927 American chemist Frank Sherwood Rowland was born in Delaware, Ohio. His best-known work is the discovery that chlorofluorocarbons contribute to ozone depletion. Rowland theorized that manmade organic compound gases combine with solar radiation and decompose in the stratosphere, releasing atoms of chlorine and chlorine monoxide that are individually able to destroy large numbers of [...]
Posted in White History on Jun 27th, 2012
1960 American organic chemist Robert Burns Woodward first synthesized chlorophyll “a”. This molecule consists of 55 carbon atoms linked with 72 hydrogen atoms, 5 atoms of oxygen and 1 atom of magnesium. The research was performed at the Converse Memorial Laboratory of Harvard University, Cambridge, Mass. 1923 American airmen Capt. Lowell H. Smith and Lt. [...]
Posted in White History on Jun 26th, 2012
1959 Swedish heavyweight boxer Ingemar Johansson defeated champion Floyd Patterson to win the heavyweight title, after knocking Patterson down 7 times in the 3rd round. 1959 The St. Lawrence Seaway, a system of canals that permits ocean-going vessels to travel from the Atlantic Ocean to the North American Great Lakes, was opened at a ceremony [...]