I might be wrong but I have a feeling drugs were involved.
TheRealVinto
I know a Vsauce thumbnail when I see one.
pawnticket
They are trying to do a Ganzfeld test. Evidently, if you remove all edges or any changes in the vision, your vision starts to grey out. Likely, they had a red light on. I think some people used this for some bogus ESP stuff.
ZZartin
I might be wrong but I have a feeling drugs were involved.
TheRealVinto
I know a Vsauce thumbnail when I see one.
pawnticket
They are trying to do a Ganzfeld test. Evidently, if you remove all edges or any changes in the vision, your vision starts to grey out. Likely, they had a red light on. I think some people used this for some bogus ESP stuff.
[https://en.wikipedia.org/wiki/Ganzfeld_experiment](https://en.wikipedia.org/wiki/Ganzfeld_experiment)
AlexHimself
In their eyes are just halved ping pong balls.
art-man_2018
“Feel the Ping-Pong, be one with the Ping-Pong, become the Ping-Pong…”