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The Fact
Think this image is turning? Are your eyes hurting you yet? You’re not alone. This is yet another example of how your brain perceives movement in still images. It’s the same trick that we saw with the diamonds, where a simple placing of a dark and light shadow on either side of an object creates a sense of light and, if you arrange them correctly, motion!
What's the difference between a deposit and a bank credit? For example, deposit - it is when you have a money, but you are living as you don't have it. A credit - it's when you don't have a money, but you are living as you have it.