IT'S CEMENT TO WOBBLE.(News)

From: The Mirror (London, England) | Date: November 14, 2002 | Copyright information

A MOSQUE has stood for 1,500 years because it was built with earthquake proof cement, scientists have found.

Hagia Sophia in Istanbul, constructed as a church in 532 AD, had calcium silicate added to the mix to make...

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The Mirror (London, England) ; A MOSQUE has stood for 1,500 years because it was built with earthquake proof cement, scientists have found. Hagia Sophia in Istanbul, constructed as a church in 532 AD, had calcium silicate added to the mix to make it flexible and withstand shocks. It predates Portland cement by 1,300 years.
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