AN OPTICAL illusion with ‘different sized’ cards is baffling Brits online after a mind-boggling clip went viral.
A self-styled illusionist, called Kevin, shared a clip to TikTok, where it’s been viewed more than 600,000 times.
Illusionist Kevin shared a baffling video to TikTok where it’s been viewed more than 600,000 times[/caption]
It shows Kevin in front of two green arches, with the bottom one appearing longer than top one.
Kevin has a piece of white card which he puts on top of the light green arch, perfectly matching up the shapes.
But he then moves the card over the lower – and supposedly longer arch – and bizarrely the shapes also match up.
It appears both arches are exactly the same size, despite one appearing distinctly longer than the other.
Kevin appears to be standing in front of two green arches which are different lengths [/caption]
The illusion which is baffling Brits is called the Jastrow effect, and it also works with toy train tracks.
Named after the Polish-American psychologist, Joseph Jastrow, it’s a common phenomenon where the short side makes the longer side appear even longer to the human eye, while the long side simultaneously makes the short side appear even shorter.
Despite having a simple explanation, some people were still unsure as to how the illusion worked.
The illusion which is baffling Brits is called the ‘Jastrow effect’[/caption]
Commenting online, one person said: “Still don’t know how that works.”
Another wrote: “My head hurts and my brains stopped working.”
While a third joked: “That’s totally legit and normal.”
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