#1 Technically , these are not even squares, let alone being of same colour. Upper is grey with a black shadow, and lower is white with a grey shadow. So, not the same colour.
The Ponzo illusion works because our brain judges an object’s size based its perceived distance. The 3rd car seems further away, so it looks much bigger.
#1 Technically , these are not even squares, let alone being of same colour. Upper is grey with a black shadow, and lower is white with a grey shadow. So, not the same colour.