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Michael Shorrock The chemistry of Photography Summary Joseph-Nicephore Niepce took he words first photographs in 1824 Many people dont know that he was the person who invented photography they think that a Frenchman named Daguerre was the inventor but he got the idea from Niepce Jacqueline Belloni a chemist at the University of Paris-South at Orsay is doing research on holes in halide ions The problem with holes is that they gobble up light-generated electrons Belloni reasoned that the solution was to dope the film The dopant would be a negatively charged ion like halide so it could substitute for halide in the crystal lattice Instead of needing ten photons a crystal doped with formate does the job with two A benefit to consumers will be that it will make high-speed film less grainy and better quality Rene De Keyzer a chemist at Agfa-Geveart helps fund Bellonis research predicts Agfe will have doped films on the market within four years Film emulsions today are a million times better at capturing photons but they still have a long way to go 3 Things Learned 10 single use camera has 10 times better resolution than todays 1000 digital camera There are 10 billion crystals in a frame of ordinary film The first camera invented was a cubical wooden box about a foot on a side and the film was a tin or stone plate coated in asphalt Response I think this article was interesting I never realized how complicated it is to develop a photograph I think it would be incredible to be able to see one of the first photos Niepce ever made
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