Artisans around the world are ditching the mortar and embracing an old method of building rock walls Clachtoll Broch, a Scottish dwelling with dry stone walls, was built at least 2,000 years ago. Its ...

An autonomous robot with a large gripper can transform a pile of boulders into huge stone walls without mortar – learning on its own how to place each irregularly-shaped stone as the next building ...

Originally built as barriers between fields and farms, the region’s abandoned farmstead walls have since become the binding threads of its cultural fabric Robert Thorson | Professor of Earth Sciences ...