Think back to a bygone era of Elon Musk — when he talked less about blue checks on Twitter and more about blue-sky ideas to colonize Mars, reuse rockets, and tackle climate change. One of his ...

I count myself as a Musk fan, but I would bet a weeks wages that we have people on Mars before a hyperloop swishing 840 people an hour from LA to SF is working. Technical issues are, er', challenging, ...

Elon Musk is very much an ideas man. He regularly comes out with elaborate solutions to the world's problems. His musings have included robotaxis, nuking the Martians, and brain chips capable of ...