3 ms·
Could be https://en.wikipedia.org/wiki/Hollow-Face_illusion https://en.wikipedia.org/wiki/Hollow-Face_illusion (“an optical illusion in which the perception of
by Someone 5y ago
Could be https://en.wikipedia.org/wiki/Hollow-Face_illusion https://en.wikipedia.org/wiki/Hollow-Face_illusion (“an optical illusion in which the perception of a concave mask of a face appears as a normal convex face.”)