Elon Musk just dropped another one of his “totally reasonable” ideas: a £20 billion tunnel from London to New York that could whisk you across the Atlantic in 54 minutes. While most of us struggle to get a decent Wi-Fi connection on a 7-hour flight, Musk dreams of underwater super-trains and rockets that make traffic jams seem like ancient history. But hey, when you’re aiming for Mars, why not throw in a high-speed shortcut to the Big Apple?

Elon Musk says he could build ‘£20 billion tunnel’ from London to New York that would take 54 minutes