from Hacker News

Why there is little hole in airplane windows?

by mirap on 8/19/17, 11:05 AM with 1 comments

• by CarolineW on 8/19/17, 11:14 AM

  Much discussion and the raising (and in most cases answering) or related issues can be found here:

  https://news.ycombinator.com/item?id=9633051