Daily Archives: March 5, 2018


Joseph von Fraunhofer
March 6 is Joseph von Fraunhofer’s birthday. Fraunhofer was a German physicist who developed the first modern spectroscope. Previous spectroscopes used prisms to split light into its rainbow spectrum. Fraunhofer’s spectroscope combined a prism with a diffraction slit to expand the light further. He also added a small telescope to […]

Today in Science History – March 6 – Joseph von ...