So you have built your backyard bomb shelter, but what to hang on the walls? From areas with dangerous natural disasters to full-on war zones, ever building in the heat of battle could likely use a layer of X-Flex. As the video demonstrates, a single sheet is sufficient to keep a wrecking ball from knocking down a concrete block wall. And for the paranoid homeowner: yes, they are even developing a standard commercial version for ordinary citizens.

Best Of What’s New 2009: Bombproof Wallpaper Test from PopSci.com on Vimeo.

-Via Dornob