363
Signs like this could be found in the late 1800s/early 1900s, explaining this strange new technology.
(media.piefed.world)
this post was submitted on 30 Dec 2025
363 points (99.5% liked)
Just Post
1239 readers
2 users here now
Just post something ๐
Lemmy's general purpose discussion community with no specific topic.
Sitewide lemmy.world rules apply here.
Additionally, this is a no AI content community. We are here for human interaction, not AI slop! Posts or comments flagged as AI generated will be removed.
founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
But when light bulbs were invented, they were incandescent and much redder and dimmer. If you burn them too hot, the filaments would melt. Therefore there wasn't much blue light if any released by early light bulbs
Indeed.
But electric lights would still have imitated daylight better than candles or gas lights, and human biology responds to what time of day or perceives itself to be in.