The hypothetical tunnel between the U.S. and the UK has been branded as a "high-risk" project by one of the world's leading ...
Imagine a world where crossing the Atlantic Ocean was as simple as taking a train to work. This futuristic dream forms the ...
The proposed tunnel could use developing technology to reduce the travel time between the cities to less than an hour.
The completed section of tunnel has a diameter of 55.8 feet (17 meters), and it has 500 pipe rings of underwater shielding.