Add Yahoo as a preferred source to see more of our stories on Google. Mary the tunnel boring machine broke through on the second tunnel Wednesday afternoon as part of the HRBT expansion project.

Boring Company Prurfock 3 and the new Prufrock 4 tunneling machines can only tunnel about 11 hours per day. There are limitations are maintenance and how they have to stop tunneling to put in the ...

The two massive tunnel boring machines that will do the first drilling for the Gateway Rail Tunnel between New York and New Jersey are now in North Bergen, laid out in components across a construction ...

Here's how the tunnel boring machine, or TBM, works: As the 200-ton TBM moves forward, a round cutter head studded with titanium teeth grinds into the tunnel face and splits large chunks off the rock.

German tunnel-boring machine manufacturer Herrenknecht will establish production facilities in India after export delays from its Chinese factories disrupted infrastructure projects, Germany's ...

The electric vehicles, Optimus humanoid bot, battery storage and other equipment and vehicles made by Tesla and Boring Company will all work in the airless environment of the moon. Boring Company, ...