Make a knife sharp enough to shave By Keith McCafferty and David E. Petzal/Field & Stream / Published September 17, 2019
From NACHOS to MAHEM: Naming The World’s Most Advanced Military Tech By Rebecca Boyle / Published February 17, 2011
Video: In Pioneering Study, German Robots Given the Chance to Stab Humans By Jeremy Hsu / Published May 7, 2010
Video: A Silent Rotor Blade Paves the Way for Super-Stealth Choppers By Stuart Fox / Published February 27, 2010