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Electromagnetic spectrum: radio, TV transmission, visible light, infrared, ultraviolet radiation, x rays, gamma rays; despite vast differences in uses & means of production, these are all electromagnetic waves w/ same general characteristics, including propagation speed (in vacuum) of c & the relation c = wavelength times frequency holds for each
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Electromagnetic spectrum: radio, TV transmission, visible light, infrared, ultraviolet radiation, x rays, gamma rays; despite vast differences in uses & means of production, these are all electromagnetic waves w/ same general characteristics, including propagation speed (in vacuum) of c & the relation c = wavelength times frequency holds for each
Born in 1707, Carl Linnaeus would rise to such a level of greatness that the philosopher Jean-Jaques Rousseau once said “Tell him I know no greater man on earth,” and was heralded by many of his contemporaries and apostles as Princeps botanicorum - the Prince of Botany. […] Image from Haeckel’s Tree of Life in the public domain.