Box which is rotating there is one.
This box, do you see to the right rotation?
Or do you see to the left rotation?

Your right brain school you see to the right rotation.
Your left brain school you see to the left rotation.

It is a diagnosis no basis in science, but how might it be making the topic?
If you can prepare a separate red-blue glasses, you will see a box pops out!
(You can change the size of the box, direction of rotation, the angle of view in operation)

AdobeAir (free) is required to execute.
On the installation, please enjoy it because it transitions to install automatically at run time.