
How this trippy illusion will make you see an 'expanding black hole'
A new optical illusion, the "expanding hole," tricks 86% of people into seeing a growing dark region in the center of the stationary image.
The human brain is the body's computer. Find out everything there is to know about your brain and stay updated on the latest news with the comprehensive articles and images of the brain at LiveScience.com. Learn more about this vital organ as scientists continue to make amazing discoveries about your brain.
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