Augmented reality (AR) has come a long way over the last few years, serving as a tool to improve GPS capabilities, aiding medical students in performing virtual surgery, and offering entertainment ...

Every day, 20 to 30 trucks roll into a factory in Minnesota. They're filled with quartz — some of it like a powder, and some of it like sparkling little pebbles, in big white sacks. "It's about 30 ...

Every day, 20 to 30 trucks roll into a factory in Minnesota. They're filled with quartz — some of it like a powder, and some of it like sparkling little pebbles, in big white sacks. "It's about 30 ...

Alicia Rodriguez, who has worked for a year in quality control, made sure each slab was level at Cambria in Le Sueur, Minn. (Renée Jones Schneider, Star Tribune/Star Tribune) ...

Quartz countertop maker Cambria might have limped through the recession but it's now running full tilt with yet another expansion that will double its Le Sueur, Minn., factory by April. An army of ...