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

The story that I heard (from my army dad) about red lights for night work was that red lights cause less night blindness than white lights.

Wikipedia corroborates this story, but indicates that a Navy study (from the 1980's) didn't find strong support for the practice.




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

Search: