http://www.abelardomorell.net/project/camera-obscura/ http://www.abelardomorell.net/project/camera-obscura/ (He later added a lens, to simplify the process, bu

http://www.abelardomorell.net/project/camera-obscura/ http://www.abelardomorell.net/project/camera-obscura/ (He later added a lens, to simplify the process, but even without you get fairly good images with a pinhole.)