Optical illusion pictures deceive our visual system into seeing things that aren’t actually there. In ancient times, such illusions were often attributed to witchcraft, spirits, or supernatural forces ...

Only those with perfect vision and a quick-fire mind can solve this impossibly tricky brainteaser. You have just 30 seconds ...

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The NFL is replacing the chain gang with Hawk-Eye technology for first-down measurements in 2025, bringing a high-tech ...

The NFL will use its Hawk-Eye virtual measurement system to determine first downs, though officials will still spot the ball.

Optical illusions are highly beneficial for the brain. Studies suggest that optical illusions can help us understand how our brains and eyes perceive the world around us. One such optical illusion ...