The world gets a little greyer every year. According to a paper published in 2014 concrete—an aggregate material made by mixing cement, sand and gravel—is the second-most consumed substance in the ...

Owners and architects choose polished concrete as an alternative to floor coverings, but the results can be particularly disappointing when polishing is specified for an elevated slab. Most ...

Ukrainians are pushing small quadcopters to attack nearly 40 miles behind enemy lines ...