
xxiIntroduction to Process Dependency
Early in the nuclear age, atomic bomb tests were conducted in great secrecy
at remote locations. The American military was shocked when Kodak sci-
entists approached them with accurate knowledge of when those tests had
been conducted.
In 1945, Kodak engineers were mystied by an unusual new category of
image aws. A careful analysis and inductive reasoning traced the source
to secretive activities thousands of kilometers away from their lm manu-
facturing lines. Radioactive fallout had contaminated raw materials, which
later came into contact with their lm stock. Charged particles emitted by
the contamination ...