Philipp Lenard. Deutsche Physik, 2. Band – Akustik und Wärmelehre. München, 1936–1937 Deutsche Physik (German: [ˈdɔʏtʃə fyˈziːk], lit. "German Physics") or Aryan Physics (German: Arische Physik) was a nationalist movement in the German physics community in the early 1930s which had the support of many eminent physicists in Germany. The term was taken from the title of a four-volume physics textboo
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