Message posted by Gimbal12 on October 18, 2010 at 2:46:48 PST:
There are many things that influence what we think we are seeing, obviously observing strange and inexplicable objects can truly confuse us and the resulting report. Have a look at this link to see how the Eye and Brain perceive things and how easily Humans can be tricked.
Attached link: http://www.bbc.co.uk/news/magazine-11553099
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