Written and Photos by: Brianna Baker The first time I stopped by Philly Radness, the skateboarding-inspired exhibition at Drexel’s Leonard Pearlstein Gallery, it was silent. Colorful, geometric projections framed an empty space. TV monitors played film reel without audio. There was no clack of wheels against floor, no grunts as skaters tumbled off boards. Knowing that the installation was built for interactivity made this vacancy feel desolate, even eerie. Philly Radness is a mixed media show in two parts: the first is a pop-up indoor skatepark in the back of the gallery. Created by multimedia artist Eric Cade Schoenborn and professional skateboarder Ed Solego, the installation features trippy digital projections…