The author of ‘The Martian’ and ‘Artemis’ offers a vision of a future where computers rule — Damak sheathed the knife and wiped his bloody hand on his shirt. He stepped through the no-longer-guarded door into the Crystal Chamber. The circular room, ringed with blue lights, was much simpler than Damak had imagined. No decorations, no gilded columns, no ornate tapestries. Just a fist-sized, irregularly shaped crystal…