Sehr schöne optische Illusion, in der sich lediglich die Pfeilspitzen bewegen.
I'm biased here, but this is one of the strongest visual illusions I have ever seen.
None of the colored lines are moving. pic.twitter.com/QcW3u6WFB4
— Chris Said (@Chris_Said) January 3, 2020
(via Nag on the Lake)
