What is the connection between photography and mollusks?

Bromine compounds were in use long before bromine was identified and isolated. A purple excretion from certain mollusks was long ago used to make purple dye known as "Tyrian purple. " It is now known that this excretion is a bromine compound mii.org/Minerals/photobromine.html Bromine compounds have a number of applications in photography.

Several compounds are used to make the all-important light-sensitive component of a photographic emulsion - without these bromine compounds your pictures would not capture sufficient light. Other bromine compounds are used as an ingredient in photo development - without which your pictures would not be able to be developed azom.com/details.asp?ArticleID=3528 A sepia tone is a reddish brown monochrome tint. When applied to a photo, it gives the picture a warm, antique feeling.

Sepia is a Greek word meaning "cuttlefish," a squidlike mollusk which secretes a dark brown ink or pigment. The ink derived from the secretion of the cuttlefish was used as a primitive pigment, although it has been replaced today by modern dyes In photography, sepia refers to a brown tint which could occur in photos treated with a gold toning bath. Over time, the photo would fade into the reddish-brown tint we associate with sepia now graphicssoft.about.com/od/glossary/g/sep....

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.