Quaise's ultra-deep geothermal power plan is one of the most exciting and fascinating green energy projects we've seen. In a nutshell, this Boston-based MIT spin-off says it has repurposed powerful ...

The temperatures and pressures involved in super-deep drilling tend to destroy even the highest-quality drill bits in short order. Changing a bit out means you have to haul the drill head back up from ...

Choosing the right system: SDS Plus works with smaller drills for light- to medium-duty jobs, while SDS Max is built for large rotary hammers tackling deep or wide holes. Technique matters: Use ...

Drilling in its broadest sense is any process that involves making a circular hole in a solid material or hard surface using a boring tool. With thousands of applications across industries, drilling ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. True geothermal energy is truly green. This is where you get ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? To make a hole in masonry and rock, you need a masonry bit—and to know how to use it ...