"A Guest to the Museum explained it as an Artwork created by exposing silvered Paper, or alternately a Matrix of photoelectric Cells, to precisely-focused Light. 'Tis a marvellous Invention!" Heh. How do you pick these things up so quick, Tia? " 'Tis not too different from a Camera Obscura, Master, save for the Absence of a Sketch Artist." … You're … sure you want to go back to your cave?