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One could expect the term photodarkening to refer to any process when any object becomes non-transparent (dark) due to illumination with light. Formally, the darkening of the photo-emulsion also could be considered as photodarkening. However, recent papers use this term meaning reversible creation of absorbing color centers in optical fibers.
Browning Fuji apple - 32 minutes in 16 seconds (video). Browning is the process of food turning brown due to the chemical reactions that take place within. The process of browning is one of the chemical reactions that take place in food chemistry and represents an interesting research topic regarding health, nutrition, and food technology.
Nonimaging optics (also called anidolic optics) [1] [2] [3] is a branch of optics that is concerned with the optimal transfer of light radiation between a source and a target. . Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the source; instead an optimized optical system for optimal radiative transfer from a source to a target is desi
Bette Davis and Donald Meek in Broken Dishes (1929). "I was now a bona fide Broadway actress—in a hit," Davis wrote. [2]Ruth Elizabeth Davis, known from early childhood as "Betty", was born on April 5, 1908, [3] in Lowell, Massachusetts, the daughter of Harlow Morrell Davis (1885–1938), a law student from Augusta, Maine, and subsequently a patent attorney, and Ruth Augusta (née Favór ...