MATERIALS SCIENCE:
On Mixing and Demixing
Julio M. Ottino1 and Richard M. Lueptow2
Insights into the physics of mixing are leading to methods for avoiding segregation of different particles.
1J. M. Ottino is in the Northwestern Institute on Complex Systems, Department of Chemical and Biological Engineering, and Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA. E-mail: jm-ottino{at}northwestern.edu
2R. M. Lueptow is in the Department of Mechanical Engineering, Northwestern University, Evanston, IL 60208, USA. E-mail: r-lueptow{at}northwestern.edu