PHILADELPHIA — A team of University of Pennsylvania physicists has shown how to disrupt the “coffee ring effect” — the ring-shaped stain of particles left over after coffee drops evaporate — by changing the particles' shape. The discovery provides new tools for engineers to deposit uniform coatings.
School of Arts & Sciences
Al Filreis of the School of Arts and Sciences is spotlighted for his approach to poetry.
Note for TV and radio: The University of Pennsylvania has a satellite
uplink facility with live-shot capability near campus and an on-campus ISDN line.
Dr. John MacDonald
Department Chair, Associate Professor of Criminology
University of Pennsylvania