This dissertation presents a novel exploration of molecularly engineered tunneling devices, focusing on the tunneling current mechanisms in applications spanning chemical sensing and photovoltaic ...

SAN FRANCISCO--(BUSINESS WIRE)--Petra, the first robotics company capable of undergrounding critical utilities through hard geologies, today announced the successful completion of a 20-foot ...

WILLMAR -- The city will save $50,000 and reduce the risk of failure by letting a contractor use a different tunneling method at five locations along the interceptor sewer line. The line is being ...

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 ...

In a significant development, the Mumbai-Ahmedabad High Speed Rail (MAHSR) corridor – India’s bullet train project – achieved ...

An independent study has confirmed that the single bore tunnel method is feasible for the BART (Bay Area Rapid Transit) Silicon Valley Phase II project, according to Santa Clara Valley Transportation ...

In Zhengzhou, central China's Henan Province, an advanced tunneling boring machine (TBM) rolled off a production line this week, ready to be deployed for the construction of an underwater branch of ...