DPC is long overdue for update and the new version is coming out soon with many improvements. What is coming? There are major improvements notably in the user interface design, in the Sun and Moon module and in the...
The earliest known permanent photograph is the View from the window at Le Gras by Nicéphore Niépce. The photograph was exposed by camera obscura on bitumen coated plate. Bitumen is sensitive to light, but not much. Eight hour exposure...