Exhibitor: Triangle Fraternity Location: Grehan / Second Floor Room 202 - U & T About the Exhibit Explore hands-on, interactive displays that bring these concepts to life. Test your design skills at our earthquake shake table, where you can see how buildings respond to ground motion and why geologic conditions and building materials matter during seismic events. Then dive into the subsurface with our permeability and porosity pump exhibit, demonstrating how water and fluids move through different types of rocks.