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“Silver Eye Center for Photography, the Pittsburgh region’s only nonprofit organization dedicated exclusively to presenting contemporary photography, today announced the appointment of Leo Hsu as the organization’s new executive director. “
“Cave drawings made by European hunter-gatherers during the Ice Age were more than just artistic expressions. The 20,000-year-old markings were also a primitive writing system that recorded detailed information about the lives of animals and a kind of lunar calendar, new research shows. “Looking at the total number of marks — either dots or lines — found in sequences across hundreds of caves, the researchers discovered that none of the series contained more than 13 marks, consistent with the 13 lunar months in each year. “
--A carbon print is a photographic print with an image consisting of pigmented gelatin --Both 'pigment print' and 'Giclée print' terms denote a print made from a digital file directly to paper using an inkjet printer as an output device --Like carbon prints, the gum bichromate print process is based on the light-sensitive properties of dichromated colloids --gelatin silver prints, in which the image consists of silver metal particles suspended in a gelatin layer --Dye-transfer printing shared many characteristics with lithography, in which an etched metal or stone surface was used to print a dye image or text onto paper [eastman museum]
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