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Hace 13 horas · History Early work. There have been many earlier searches for extraterrestrial intelligence within the Solar System.In 1896, Nikola Tesla suggested that an extreme version of his wireless electrical transmission system could be used to contact beings on Mars. In 1899, while conducting experiments at his Colorado Springs experimental station, he thought he had detected a signal from Mars since ...
Hace 13 horas · Herbert Clark Hoover (August 10, 1874 – October 20, 1964) was an American politician and humanitarian who served as the 31st president of the United States from 1929 to 1933. A member of the Republican Party, he held office during the onset of the Great Depression.A wealthy mining engineer before his presidency, Hoover led the wartime Commission for Relief in Belgium, served as the director ...
