Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Water works better. Heavy elements like lead splatter when hit by high energy particles and generate secondary radiation.

The idea is good, most mars plans include a shelter with a water or rocket fuel shield.



why not a magnetic shield? like what earth has


Ease of operation and construction. You're going to need water and rocket fuel regardless, having it do double duty is a lot cheaper and easier.





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

Search: