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 ...

Native sandstone walls, clay barrel tile roofs, limestone trim, and black wrought iron accents make up the principal elements of this palette. Sandstone for campus use is obtained from a number of ...

For the final project, students developed their own version of a “living building” through the program of an interpretive nature center near Wonderland Lake in Boulder, CO. Students collaborated in ...

A team of archaeologists has discovered a rare rock used to make tools in the Stone Age. The "polishing boulder", found in the Valley of the Stones near Dorchester, would have been used to make ...