In effect, it is a simple executable for loading onto your Pocket PC that provides an optical illusion, impressive enough until you recognise it. |
Such veining creates an optical illusion of movement, which gives much character to this mantel. |
Another optical illusion that causes umpires to make mistakes is the parallax error. |
Their systematic use of axonometrics drains the subjectivity from the representation and sidesteps the optical illusion of perspective. |
Characters might think this is some sort of wizardry or witchcraft but it is actually an optical illusion. |
This is a fascinating optical illusion device and just the sort of scientific curiosity we love. |