Could an Undersea Hyperloop Train Tunnel Offer One-Hour Trips From London to New York?
“Proposals for a tunnel connecting the U.K. to the U.S. underneath the Atlantic Ocean have resurfaced,” reports Newsweek, “but with a price tag of almost $20 trillion, the project is a big ask.”

With the two global cities being over 3,000 miles apart, construction would take several years — the 23.5-mil … ⌘ Read more