A giant tunnel-boring machine has started drilling east, marking a major step in the long-awaited blue line expansion.

Sydney is sending a 51.5-foot-wide Chinese-built tunnel boring machine beneath one of the world’s most recognizable harbors, ...

Boring a tunnel is a very tedious job (the name of the operation gives it away), but one perfume salesman and space enthusiast has a different opinion. The Boring Company’s Elon Musk dreams that one ...

Elon Musk's Boring Company is reportedly hard at work digging its first tunnel outside of SpaceX HQ in Hawthorne, California — but the company's eccentric leader has poetry on the mind. That hasn't ...

Worn bores require oversized bushings, leading to precision line boring and bore welding to restore proper fit and alignment. How do these machining processes bring heavy equipment components back to ...