john89@lemmy.ca to

Ask Lemmy@lemmy.world · 1 month ago

Why do screen night lights that shift the color red work? Why red instead of some other color?

37

Why do screen night lights that shift the color red work? Why red instead of some other color?

john89@lemmy.ca to

Ask Lemmy@lemmy.world · 1 month ago

Chat

MaggiWuerze@feddit.org
link
fedilink
arrow-up
8·
1 month ago
This the phenomenon: https://en.wikipedia.org/wiki/Rayleigh_scattering
- Varyk@sh.itjust.works
  link
  fedilink
  arrow-up
  5·
  1 month ago
  i see, thanks. The size of atmospheric particles determines the color.

Ask Lemmy@lemmy.world

asklemmy@lemmy.world

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !asklemmy@lemmy.world

A Fediverse community for open-ended, thought provoking questions

Please don’t post about US Politics. If you need to do this, try !politicaldiscussion@lemmy.world

Rules: (interactive)

1) Be nice and; have fun

Doxxing, trolling, sealioning, racism, and toxicity are not welcomed in AskLemmy. Remember what your mother said: if you can’t say something nice, don’t say anything at all. In addition, the site-wide Lemmy.world terms of service also apply here. Please familiarize yourself with them

2) All posts must end with a '?'

This is sort of like Jeopardy. Please phrase all post titles in the form of a proper question ending with ?

3) No spam

Please do not flood the community with nonsense. Actual suspected spammers will be banned on site. No astroturfing.

4) NSFW is okay, within reason

Just remember to tag posts with either a content warning or a [NSFW] tag. Overtly sexual posts are not allowed, please direct them to either !asklemmyafterdark@lemmy.world or !asklemmynsfw@lemmynsfw.com. NSFW comments should be restricted to posts tagged [NSFW].

5) This is not a support community.

It is not a place for ‘how do I?’, type questions. If you have any questions regarding the site itself or would like to report a community, please direct them to Lemmy.world Support or email info@lemmy.world. For other questions check our partnered communities list, or use the search function.

Reminder: The terms of service apply here too.

Partnered Communities:

No Stupid Questions

You Should Know

Logo design credit goes to: tubbadu

Visibility: Public

This community can be federated to other instances and be posted/commented in by their users.

2.59K users / day
5.69K users / week
10.6K users / month
18.9K users / 6 months
2 local subscribers
26.9K subscribers
4.28K Posts
199K Comments
Modlog