A tech billionaire and one other crew member stepped out for the first private spacewalk Thursday, teaming up with SpaceX on an endeavour hundreds of miles above Earth that’s been reserved until now for professional astronauts. Entrepreneur Jared Isaacman and his crew waited until their capsule was depressurized before popping open the hatch. “Back at home, we all have a lot of work to do. But from here, it sure looks like a perfect world,” said Isaacman. This spacewalk was simple and quick — less than two hours — compared withRead more