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A Failed Lab Experiment Accidentally Invented a Replacement For Cement

As the world’s cities expand at faster and faster speeds, so does its use of cement. One oft-quoted statistic shows that China alone used as much cement in the last three years as the US used in the last 100. Just one problem: Cement is responsible for pushing a hell of a lot of carbon dioxide into the world. » 4/16/15 2:00pm 4/16/15 2:00pm

Decay and Demolition Inside a Dying Cement Factory

The first cement factory in Hungary has reached its sorry end. The monstrous industrial complex of Lábatlan was established by Balázs Konkoly-Thege on the right bank of river Danube in 1868, and in the very beginning, Roman cement was made here in a wood-fueled 16 chamber furnace. Today, the factory is a lovely… » 1/16/15 9:00am 1/16/15 9:00am

Scientists Have Found the Ancient Secret of Indestructible Concrete

For the most part, we humans are better at things than we were thousands of years ago. But there are some things the ancients had down pat. Roman concrete, for instance, is just way better than anything we can whip up today. Finally, after some 2,000 years, modern-day scientists have figured it out. And it's a secret… » 6/15/13 5:30pm 6/15/13 5:30pm