When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers still puzzle over exactly how Roman concrete was made, but they have a few clues, ...

Pictured above is one of the test coupons made from concrete fortified with waste glass which was developed by glass scientists at Alfred University and manufactured by Silica-X. Coupons will be ...

Nearly two millennia after the height of the Roman Empire, some of its structures are still standing. These marvels have stood the test of time, including the Pantheon in Rome; the Roman aqueducts in ...