Engineers dream of a material as strong as steel and light as a feather, but the nature of materials has a way of dashing those dreams. Some of the strongest bulk materials become comparatively weak when engineered to become lighter-weight cellular solids. While it is hard to imagine that fragile glass could meet or exceed the strength of aluminum, titanium, or steel, scientists at Naval Surface Warfare Center (NSWC), Corona Division have patented a method for making such a material: glass foam…
