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

Nope, there are no currently viable alternatives to chemical rockets. There are possibilities such as nuclear rockets and space elevators which might be viable in the future. A space elevator mainly requires advances in ultra-strong cable materials. A nuclear rocket would require a drastic change in government policies and public attitudes about nuclear technology.



Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | DMCA | Apply to YC | Contact

Search: