Another optical illusion will blow/bend/break your mind

Here at Creative Bloq, we’ve encountered a wide range of optical illusions, most of which involve items appearing to do things they aren’t. With that in mind, consider the following lines, which look to be curved but aren’t.

When you stare at the grid below, the lines in your peripheral vision will most likely curve and distort, but when you focus on them, they will straighten out again. It’s an oldie but a goodie, with a straightforward explanation. (Are you looking for additional examples? Check out the finest optical illusions ever created).

The illusion, designed by illustrator Lesha Porche(opens in new tab), was published on Twitter earlier this week and looks to be bending, frying, and blowing minds everywhere. “This hurts my brain,” one user says, adding, “I love these illusions – physical karate for the mind!”

This is crazy. https://t.co/KqufeFYyP2

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— Joey Cranston (@Joeycranston) October 4, 2022

So, how exactly does it work? Michael Bach, an illusion expert, recently posted the photograph on his website, along with an explanation. “The tiles contain a low-resolution brightness curve, which is masked by all the borders,” Bach explains. “It can be made more apparent by applying a little blur. The blur occurs automatically in our visual system, because –largely unnoticed– our visual resolution rapidly falls off from the centre of gaze: at 10° eccentricity our visual acuity is 1/10th of the central one. However, the periphery does not “feel” blurred, does it? Its sharpness is “invented” by our visual system, just as our blind spots are filled in .”

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