Hacker News new | past | comments | ask | show | jobs | submit login

Feasible for a few billion people, eventually? This concept has been explored in many sci-fi shows, with the usual solution being to make a big ring and spin it in space.



We can solve problems incrementally - we often do, and space access history is a good example for that.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: