Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...

Abstract: It is challenging to have a unified roughness metric representing the tactile sensation given the complexity of surface properties such as hardness, viscosity, and texture. In this article, ...

Abstract: Objects’ material properties are essential not only in how we use and interact with them but also in eliciting affective responses when in contact with the body. Such affective experiences ...