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Illusion Revealed: The Moiré Mind Trip

Beautiful textile illusion by artist Timur Si-Qin!

How Does it Work?

This specific style of pattern is known as moiré. According to Wikipedia, moiré "is an interference pattern created when two grids are overlaid at an angle, or when they have slightly different mesh sizes." Simply, two sets of lines are superimposed over another set of lines. Illustrated example shown below, click through to view an animated demonstration.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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