Knowledge Matrix on Instagram: "This is a trompe-l’œil anamorphic illusion, a classic illusion art technique designed to “trick the eye” into seeing three-dimensional objects on completely flat surfaces. In this video, the artist is applying a perspective-correct mural across two flat walls and the ceiling corner, carefully aligning angles, shadows, and highlights so that—when viewed from one precise viewpoint—the flat paint appears as a solid 3D cube floating out of the wall. The illusion works

Remarkable Facts on Instagram: "Follow @remarkable.facts if you want to get smarter every day. -------------- The Rubik's Cube, a revolutionary three-dimensional puzzle invented in 1974, presents a complex combinatorial problem. Initially conceived as a teaching tool for spatial relationships, this seemingly simple object comprises a series of interlocking pieces that can be rotated along three axes. The core challenge lies in its state space, a vast number of possible configurations that, for t