this post was submitted on 16 May 2026
25 points (93.1% liked)

Today I Learned (TIL)

8980 readers
22 users here now

You learn something new every day; what did you learn today?

/c/til is a community for any true knowledge that you would like to share, regardless of topic or of source.

Share your knowledge and experience!

Rules

founded 3 years ago
MODERATORS
Kokomheart@lemmy.ca
JCSpark@lemmy.ca
25
TIL that Phosphenes (the visual effect that you get when you rub your eyes) can also be triggered by magnetic brain stimulation, which has been experimentally used for brain-to-brain information trans (anarchist.nexus)
submitted 1 day ago by Wildmimic@anarchist.nexus to c/til@lemmy.ca
2 comments fedilink hide all child comments
 

They used EEG & transcranial magnetic stimulation to send left/right information with an 81% success rate!

https://en.wikipedia.org/wiki/Phosphene#Research

top 2 comments
sorted by: hot top controversial new old
[–] Stampy@lemmy.ca 1 points 15 hours ago (1 children)

Pretty interesting. I wonder if this would be used for evil by something sending false images to people or blurring out things in real life…

[–] isVeryLoud@lemmy.ca 1 points 15 hours ago

Picture this:

A strong electromagnet in a bus stop that makes you hallucinate advertisements.