For the last of his guest-hosted Things You Might Not Know videos, Tom Scott turned his YouTube channel over to Inés Dawson from Draw Curiosity who used the opportunity to explain four common visual phenomenon that most people experience.
There’s a variety of visual problems and disturbances we all experience on a daily basis. Floaters! Blue entoptic phenomenon! Visual snow! Phosphenes! With simulations, Inés will run through all of them.