The Hollow Mask Illusion ExpeRimental Extra NO AUDIO
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=RXkYjL_7jME
View full lesson: http://ed.ted.com/lessons/the-moon-il... • Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size -- so why do we perceive them differently? Scientists aren't sure, but there are plenty of intriguing theories. Andrew Vanden Heuvel unravels the details of focus, distance and proportion that contribute to this mystifying optical illusion. • Lesson by Andrew Vanden Heuvel, animation by Kozmonot Animation Studio.
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