Ancient Secrets Of Super-Cement May Lead To A Shield Against Bunker Busters

Super-Concrete Let's see if they can break this Air Force Office of Scientific Research

From Popular Science:

Super-cements similar to those used to build the pyramids could harden bunkers against missiles.

Super-cements similar to the ancient concrete used to build the pyramids might defeat even the U.S. Air Force's largest non-nuclear bunker buster to date.

Wired's Danger Room has a rundown on how French researcher Joseph Davidovits uncovered the chemistry of geopolymers, or super-cements. Davidovits also put forth the theory that the Egyptian pyramids were built using a similar type of geopolymer limestone concrete -- an idea supported by X-ray and microscopic study samples.

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My Comment: I would be willing to bet that the Iranians and North Koreans are paying attention to a story like this one.