Optical concept progressed in the mid-seventeenth century with treatises written by philosopher René Descartes, which discussed many different optical phenomena including reflection and refraction by assuming that light was emitted by objects which created it.[26] This differed substantively from the ancient Greek emission theory. Within the late 1660s and early https://jeffreyckoqt.spintheblog.com/30236381/the-smart-trick-of-glasses-store-near-me-that-no-one-is-discussing