Quote by: Ernst Mach

A colour is a physical object as soon as we consider its dependence, for instance, upon its luminous source, upon other colours, upon temperatures, upon spaces, and so forth.


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Author Bio


  • NameErnst Mach
  • Descriptionczech physicist and university educator
  • BornFebruary 18, 1838
  • DiedFebruary 19, 1916
  • CountryAustria
  • ProfessionPhysicist; Philosopher; Educationist