Test your observation skills with a tricky optical illusion featuring upside-down Z shapes hiding the number 2. You have just 5 seconds to find it, challenging your brain's ability to spot small ...

the spinning circles of the Pinna-Brelstaff illusion are created by a communication delay between different regions of the brain that process vision. Meanwhile, another spinning circle illusion, ...

An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive. It occurs when the information sent by the eyes conflicts with how the brain processes and ...

“The strong influence of motion in generating interactions between different objects, as demonstrated in the Rotating Circle illusion, is likely to come into play in many everyday ...

An icon in the shape of a lightning bolt. Impact Link When Twitter user @MartijnBAARDA posted a short video in July 2019 showing a hanging square that, when looked at from a different angle, was ...

Optical illusions have been keeping us entertained for hundreds of years. There are plenty of optical illusions that go viral and stump the internet, but there are also classic ones that continue ...

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A version of the illusion is shown below: An example of the Box-Circle illusion. The horizontally variable boxes make the dots appear to be vertically misaligned. Source: Figure 2A from Lin and ...

An optical illusion is a visual phenomenon where the ... or two shapes may seem unequal in size even though they are identical. Which circle is the bigger one? Look at this image carefully.