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Articles

How to make filthy water drinkable

Too much of the world lacks access to clean drinking water. Engineer Michael Pritchard did something about it: inventing the portable Lifesaver filter, which can make the most revolting water drinkable in seconds. With cutting-edge nanotech,...

New CMA awards for excellence format

The Concrete Manufacturers Association’s (CMA) new category format for the 2012 Awards Excellence Competition has had a flying start. A total of 74 competition entries has been received, reflecting the strength and diversity of the precast concrete...