title: Suspensions: fluids with fading memories.
abstract: A sheared liquid suspension whose flow is reversed remembers with various degrees of perfection all earlier configurations of the particles. The memory effects, studied primarily because of their importance in suspension rheology, may be of wider significance.
authors.forename: A
authors.initials: A
authors.lastname: Okagawa
authors.forename: S G
authors.initials: SG
authors.lastname: Mason