Concrete blocks from a credible manufacturer are normally stronger and can carry greater weight than locally baked clay bricks. Photo by Rachel Mabala Recently, as I walked near home, I came across a ...

One concrete block covers the space of almost four bricks. Photos/Tony Mushoborozi. You have worked your fingers to the bone for years, planning, executing impossible tasks, saving, closing deals, and ...

Colorado-based Prometheus Materials has developed masonry blocks from a low-carbon cement-like material grown from micro-algae. The blocks, which meet the American Society for Testing and Materials ...