Radiation or smth

By SkieB
  • 1800

    William Herschel, a British astronomer, discovered infra-red radiation (heat waves).
  • 1801

    German chemist Johann Ritter discovered UV radiation.
  • 1885

    James Maxwell, a British scientist, predicted the existence of continuous EM waves.
  • 1887

    German scientist Heinrich Hertz discovered radio waves.
  • 1895

    German physicist Wihelm Roentgen discovered x-rays.
  • 1896

    French physicist Henri Becquerel discovered radioactive rays emitted by uranium.
  • 1898

    Marie Curie discovered radium.
  • 1900

    Frenchman Paul Villard discovered gamma rays.