For 400 years, a group of stonemasons have been building walls using natural stone. For 400 years, a group of stonemasons have been building walls using natural stone. Nagayama learns how a stone's ...

Q: We’re having major landscaping challenges due to our sloping and uneven yard. Is there anything we can do that will look halfway decent? A: Seattle’s hills challenge local homeowners with questions ...

Ancient builders had deep knowledge about environmental conditions and the physical needs of humans in their search for shelter. Regardless of technological advances and the evolution of our ...

DEAR TIM: While viewing the colorful autumn leaves in New England, I saw more than one rock wall. I was so impressed with them and wonder whether rock retaining walls really hold up over time. What ...

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 ...