RE: Is the tetrahedron rotating clockwise or counter-clockwise?
June 28, 2018 at 3:33 pm
(This post was last modified: June 28, 2018 at 3:36 pm by polymath257.)
(June 28, 2018 at 3:16 pm)FlatAssembler Wrote: So, what does it seem to you, does the tetrahedron on the bottom of the web-page rotate clockwise or counter-clockwise as you move the mouse from the left to the right?
http://flatassembler.000webhostapp.com/informatics.html
How can this be simply explained?
It's an ambiguous figure. There are many such out there. In this case, there are two possible perspectives: one where you are slightly below the figure and looking up; the other where you are slightly above the figure and looking down.
The mind tends to resolve one way or the other, but you can switch back and forth with some concentration.
The Necker cube is far more common than the tetrahedron, but here is a link for more:
https://en.wikipedia.org/wiki/Ambiguous_image
