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New York to Washington in 29 minutes? Elon Musk says it's possible and he has the government's approval to do it (though it's anyone's guess how long it would take to build). "Just received verbal ...

Journeys from London to Paris could take just 21 minutes with a new futuristic train project. Travel could be changed forever ...

With Elon Musk close to claiming a new role as owner of Twitter after a winning bid to purchase it for $44 billion this week, the billionaire entrepreneur can add the social media app to a long list ...