The skies are going to be mighty crowded in a few years if everyone gets their way. Joining Amazon in the Great Drone Race to the Sky, Walmart is putting its plans into play for next-gen delivery systems or at least trying to do that. The company recently applied to the FAA for permission to…

Humvees in the hills. Tanks in the desert. Army trucks in a convoy. These vehicles are tasked with some of the most challenging and dangerous environments. They must be able to keep occupants safe against various attacks, including blasts from underneath the carriage. Optimizing occupant safety in a Humvee or tank when encountering unexpected explosives—or…