Kalama Telephone Co. is a locally owned, independent telephone company that provides business and residential telecommunications services to about 2,500 customers in rural southwest Washington. Based ...

Rock drilling performance is pivotal in the optimisation of excavation and mining operations, with penetration rate analysis serving as a central metric for assessing efficiency. This field integrates ...

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 ...

Cheers greeted a group of 41 workers as they emerged from a collapsed tunnel under the Himalayas on Tuesday, the climax of an incredible and perilous weekslong rescue operation to drill through rock ...

A geothermal company wants to drill deep into the Earth and siphon virtually unlimited energy from the planet. The company, Quaise Energy, says that using the energy stored deep below the Earth's ...

SILKYARA, India, Nov 16 (Reuters) - Rescue workers renewed efforts on Thursday to reach 40 men trapped for a fifth day inside a collapsed highway tunnel in India, though progress was slow as they ...