Nikola Tesla: The Eternal Source of Energy of the Universe, Origin and Intensity of Cosmic Rays Nikola Tesla Lord Kelvin Laplace Goethe New York USA Edinburgh universe energy cosmic cosmic ray ray source 1932 1900 1905 1852 October 13, 1932, New York Read more about Nikola Tesla: The Eternal Source of Energy of the Universe, Origin and Intensity of Cosmic Rays