The Necker cube is an optical illusion that was first published as a rhomboid in 1832 by Swiss crystallographer Louis Albert Necker. It is a simple wire-frame...

Austrian postage stamp. The impossible cube draws upon the ambiguity present in a Necker cube illustration, in which a cube is drawn with its edges as line segments...

cloth worn round the neck Necker cube, optical illusion Necker Island (Hawaii) Necker Island (British Virgin Islands) Necker–Enfants Malades Hospital...

to definitively and uniquely interpret. Familiar examples include the Necker cube, Schroeder staircase, structure from motion, monocular rivalry, and binocular...

three-dimensional objects. This is why a drawing of a Necker cube would most likely be seen as a cube, rather than "two squares connected with diagonal lines...

the Necker cube. He was born in the Republic of Geneva, the son of botanist Professor Jacques Necker, nephew and namesake of statesman Jacques Necker, and...

1957. It depicts two interlocking bands wrapped around the frame of a Necker cube. The bands have what Escher called small "nodules" or "buttonlike protuberances"...

elicit a perceptual "switch" between the alternative interpretations. The Necker cube is a well-known example; other instances are the Rubin vase and the "squircle"...

examples of this phenomenon are the Necker cube, and the rhombille tiling (viewed as an isometric drawing of cubes). To go further than just perceiving...

as multistable, in that case bistable, perception. One example is the Necker cube. Depending on the perception of the observer, the apparent direction...