The hearty farro casarecce at Giulia. The bell-shaped campanelle at Coppa. The savory rye mafalde at Craigie on Main. The petite gnocchetti at Steel & Rye. What do these noodles have in common?

Drexel's Center for Food and Hospitality Management was mentioned in a Feb. 21 Philadelphia Inquirer story about using extruders to make pasta. This technology, which was donated by Arcobaleno, is ...