Relativity

“The name relativity theory was not a lucky choice: relativity of space and time is not the essential property, as is the independence of the laws of Nature from the observer’s point of view.” Arnold Sommerfeld1

Relativity means “Same law for all” John Wheeler2


  1. Arnold Sommerfeld “Naturwissenschaft Rundschau”, 1, pg. 97. Articolo ristampato in “Gesammelte Schriften”, IV, pg. 640 (1968) ↩︎

  2. John Wheeler, Edwin Taylor - “Spacetime Physics”, cap. 3 ↩︎