This image is not available for purchase in your country.

Impossible trident

Impossible trident

T478/0461

Rights Managed

This image is not available for purchase in your country.

Please contact your Account Manager if you have any query.

Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Impossible trident. This uses the fact that a rectangular bar can be represented in 2 dimensions by 3 lines, whereas a cylinder requires 2. So we have 3 cylinders blending into 2 rectangular bars. The brain tries to identify the shapes but is left confused due to the ambiguities over to which part the edges belong. This object has been used to demonstrate that the visual system compares different regions through counting, since the first thing most people notice is that 2 prongs at the beginning change to 3 at the end.

Release details

Model release not required. Property release not required.

 {{ i.shot_duration ? i.shot_duration + ' ' : '' }}{{ i.shot_uhd ? '4K ' : i.hires ? 'HD ' : '' }}{{ i.spl_number }} R{{ i.license }}

  • Add to board
  • Similar {{ mediaType(i) }}