Elon Musk says he will put millions of people on Mars
New Scientist – Musk declared recently that he could put a human on Mars in 10 to 20 years’ time. It is a remarkable claim, yet even more astonishingly Musk tells me that he could do it for $5 billion, and possibly as little as $2 billion – a snip when you consider that the International Space Station (ISS) has cost…