The practice of dry stone wall construction in Ireland has been added to UNESCO's list of protected cultural heritages around ...

researchers at ETH Zurich have let an autonomous excavator loose on a big pile of boulders and reclaimed concrete. The goal? To build a 20 foot (6 meter) and 213 ft (65 m) long dry-stone wall as ...

A century-old retaining wall at the intersection of West Ludington and South Pine streets in Iron Mountain will be reduced in ...

His new technique of roasting limestone and clay in an oven and then grinding it to a powder to make "artificial stone" is now known as Portland cement - still the key ingredient in almost all ...