1. College of Engineering, Drexel University, Philadelphia, PA, USA
2. The Center for Functional Fabrics, Drexel University, Philadelphia, PA, USA
3. Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA, USA
4. Department of Mathematics and Statistics, La Trobe University, Melbourne, Australia
5. Westphal College of Media, Arts, and Design, Drexel University, Philadelphia, PA, USA