Long exposures always remind me of daguerreotypes and the early history of photography. In 1838, Louis Daguerre set up his camera to catch the Boulevard du Temple. Although the street was busy, it appears empty in the daguerreotype because of the long exposure. People moving too quickly for the photographic mechanism to capture them. The same thing happened in Raleigh at Big Boom restaurant, where — despite having multiple strobes — I just couldn’t quite get decent depth of field, so switched to a long exposure and one of the employees popped his head around the corner, pulling back too fast for any evidence of him to appear in the final image.