You're looking at Less Wrong's discussion board. This includes all posts, including those that haven't been promoted to the front page yet. For more information, see About Less Wrong.

Viliam comments on Stupid Questions May 2015 - Less Wrong Discussion

10 Post author: Gondolinian 01 May 2015 05:28PM

You are viewing a comment permalink. View the original post to see all comments and the full post content.

Comments (263)

You are viewing a single comment's thread. Show more comments above.

Comment author: Viliam 03 May 2015 03:38:57PM 1 point [-]

Just guessing: In space the pressure comes from inside, in water from outside; it is easier to protect in one direction than in both. In space the pressure difference is at most one atmosphere, in water it depends on how deep you submerge. The salt water also attacks the metal chemically.