79.8 MB (458.1 KB compressed)
5906 x 4724 pixels
50.0 x 39.9 cm ⏐ 19.7 x 15.7 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Angle illusion. The red angle marked on the left appears to be larger than the red angle on the right. In fact they are the same size. The brain is tricked by the one on the left being enclosed by a larger black angle than the one on the right.
Model release not required. Property release not required.