Inside the 13th century in medieval Europe, English bishop Robert Grosseteste wrote on a wide range of scientific topics, and talked about light from four unique Views: an epistemology of light, a metaphysics or cosmogony of light, an etiology or physics of light, as well as a theology of light,[fifteen] https://royalty-free-music73603.thezenweb.com/the-5-second-trick-for-best-bluetooth-speaker-67724787