A very interesting optical illusion. Posted on Richard Wisemans’ blog. Worth looking at.
The human eye has it’s ‘ticks’. You can’t always trust what you see. If you’ve ever had to participate in a police photo selection (looking for someone you saw for only a moment or two) you quickly realize how limited our visual recall can be, and how we fill in information constantly to make existing possible.
Below the blue and green colors are actually, the same color. Check out his blog for comments, discussion and explanation. As well as other examples.







