Optic Illusion — Apps From Outer Space, LLC

Seven classic optical illusions, each built from its real geometry rather than reproduced as a picture — and each with a plain-language account of the neuroscience behind it.

Nothing moves. Nothing bends. Your brain does all of it.

Screenshots

Penrose Triangle rendered as three grey beams forming an impossible tribar, with a segmented control set to Impossible view and the explanation panel below

The same Penrose Triangle with Turn the camera selected, the figure sprung open into three separate beams that no longer meet

Rotating Snakes: nine static rings of black, dark grey, white and light grey segments on a grey field that appear to drift

Cafe Wall illusion: offset rows of black and white tiles separated by grey mortar, the parallel lines appearing to slope

Müller-Lyer illusion showing two shafts of identical length with opposing arrowheads, labelled A appears longer and B appears shorter

The Optic Illusion gallery listing all seven illusions with their categories: Motion, Contrast, Geometry and Depth