NB Ball Splines have recirculating steel balls on the side of the outer race that are designed for high speed rotation and to ...

Volunteers Mzwandile Mkwayi (R) and Mandla Charles (L) were greeted as heroes after descending the mineshaft This story contains details, including a video, that some people may find distressing.

a new 215-meter linear accelerator. When completed in 2029, it will fire a high-energy beam 800 miles to a repurposed mine shaft one mile beneath Lead, South Dakota. The accelerator will be the ...

Disturbing videos have emerged showing the dire situation at a disused gold mine in South Africa where scores of illegal miners have reportedly been living underground for months. They have been ...