A five-year odyssey beneath the streets of Los Angeles reached an end as a duo of tunnel boring machines named “Aura” and “Iris” reached the conclusionof their journeys earlier this year. Their ...

PyroGenesis Canada ( ($TSE:PYR) ) has issued an announcement. PyroGenesis Inc. has issued a 90-day notice to end its exclusivity arrangement and ...

The Hudson Tunnel Project reached a key milestone as factory testing finished for two tunnel boring machines now headed to New Jersey.

Linghang, better known as the world’s largest-diameter high-speed railway shield tunneling machine, crossed the ...

The world's largest-diameter high-speed railway shield tunneling machine independently developed in China, known as Linghang, ...

This photo taken on Dec. 27, 2025 shows the construction site of Nanjing Metro Line 4 Phase II, in Nanjing, east China's ...

Quantum particles can burrow through barriers that should be impenetrable — but they don’t do it instantaneously, a new experiment suggests. The process, known as quantum tunneling, takes place ...

The phenomenon known as "tunneling" is one of the best-known predictions of quantum physics, because it so dramatically confounds our classical intuition for how objects ought to behave. If you create ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you throw a tennis ball at a solid wall, it will strike the wall and ...