You'll just need a mixing paddle, like a spiral, ribbon, or helix design, that fits right into your drill's chuck. Once that ...

On the morning of April 21st, a group of hard-hatted, safety-goggled, (mostly) bearded individuals gather near a 20-ton boulder next to Old Main. Students of UA’s Mining and Geological Engineering ...

Bears quarterbacks coach Kerry Joseph was the man who thought of bringing that drill to Bears camp and ran the idea by head coach Matt Eberflus, who gave it the green light. “It’s hard to practice ...

Houston-based Particle Drilling Technologies Inc. has successfully tested a new drilling system, designed to enhance the rate of penetration through hard rock. Particle-impact drilling (PID) is a ...