Fun Optical Illusions

[berkeman]

Main Question or Discussion Point

 

[Borek]

That's a classic, same happens with Moon craters that look either convex or concave on photos. And a bit similar to the hollow-face illusion.

 

[256bits]

The bowls were easy.
Finally, it took several seconds to get the top left tray to flip .

 

[davenn]

That's a classic, same happens with Moon craters that look either convex or concave on photos.

Yeah, I have always found that one screwy on the eyes/brain
Also happens on hilly/mountains views, on, say on google earth