Although that might sound like something straight from the pages of science fiction, this is exactly what a proposed Transatlantic Tunnel claims it could achieve. This Elon Musk-backed concept ...

Slurry from the Nhon – Hanoi Station metro tunnel floods Alley 7, Giang Van Minh Street. Photo: Quang Phong Nearly a day after the incident, tunneling slurry from the Nhon – Hanoi Station metro ...