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New topological insulator can reroute photonic ‘traffic’ on the fly
Abstract background with circuit.

New topological insulator can reroute photonic ‘traffic’ on the fly

Penn researchers, who first discovered topological insulators in 2005, have shown, for the first time, a way for a topological insulator to make use of its entire footprint without wasted space throughout the material’s interior.

Penn Today Staff

‘A Swiss cheese-like material’ that can solve equations
Nader Engheta, center, and two researchers who worked on the metamaterial project

‘A Swiss cheese-like material’ that can solve equations

Engineering professor Nader Engheta and his team have demonstrated a metamaterial device that can function as an analog computer, validating an earlier theory.

Evan Lerner , Gwyneth K. Shaw

A faster way to make drug microparticles
microparticles

The Penn Engineering team fit 10,260 of these microparticle-generating devices onto a four-inch silicon wafer.

A faster way to make drug microparticles

Penn Engineers have developed a liquid assembly line process that controls flow rates to produce particles of a consistent size at a thousand times the speed.