Dr. Peter Mullner along with Dr. Paul Lindquist and Dr. Bill Knowlton were awarded an NSF Materials World Network grant in collaboration with Prof. Steffen Brinckmann and Prof. Alexander Hartmaier at the Ruhr University Bochum, Germany. The grant focuses on the deformation mechanism of materials with hierarchically twinned microstructures. More information on the grant and the scope of the work is available at the NSF website.