In 1849, Jonathan J. Couch had patented the world’s first percussion rock drill. The drill steel passed through a piston. The steel was launched by steam like a lance, seized in a gripper box on the ...

Ever since late 2016, Curiosity has been sitting on its robotic arms, as the drill it was supposed to use for taking Martian soil samples failed. Back in March, engineers managed to get the drill ...

The South Hagerstown High School Indoor Percussion Ensemble won the Keystone Indoor Drill Association Championship for Scholastic Gold Moving Percussion on Saturday at Chambersburg (Pa.) Area ...

Maya Gold & Silver Inc. is pleased to provide the first results of its surface percussion drilling program to drill test the extent of the northern silver mineralization at the surface. The ...

Initial drilling activities commenced on 20 November 2012 and 15 percussion holes completed before year-end. This release reports on an additional 30 percussion drill holes completed in Q1 2013.

Varel International, a leading manufacturer of drill bits and global supplier to the industry, has signed a letter of intent to acquire the Rotary Percussion System (RPS) product line and assets ...

On January 8, 1851, construction began on a 4.75-mile-long railroad tunnel, at the time the longest in North America and second-longest in the world, under Hoosac Mountain in Massachusetts. To tunnel ...