"The discovery I have made and which I call Heliography, consists in reproducing spontaneously, by the action of light…"——Joseph Nicéphore Niépce.
我将这次探索的结果称为日光图，在于借着光的作用自发再现……
The first permanent photograph was made in 1826 by Joseph Nicéphore Niépce, building on a discovery by Johann Heinrich Schultz (1724): a silver and chalk mixture darkens under exposure to light.
1724年，约翰·海因里希·舒尔茨发现银和白垩的混合物见光后会变黑。
应用推荐