In the 1830s_ Louis Daguerre found a hidden image in a chemical cabinet and changed photography (original) (raw)

In the 1830s, in Paris, what he found inside changed the way humans record history. Until this time, the only light that could be perceived on the metal plate was a short, weak gleam, which soon disappeared. Daguerre had found a reliable way to make the invisible visible, and so created the world's first practical photographic...read full story