"A gravity or magnetic hill is a place where a slight downhill slope appears to be an uphill slope due to the layout of the surrounding land, creating the optical illusion that water flows uphill or a car left out of gear will roll uphill, among others. "
learn more about it in Wikipedia
Showing posts with label optical illusion. Show all posts
Showing posts with label optical illusion. Show all posts
Sunday, February 21, 2016
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