penrose

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الإنجليزية - الإنجليزية
Penrose process: a postulated mechanism whereby energy can under certain circumstances escape from a black hole
Penrose tile: each of the elements used in a Penrose tiling
Penrose diagram: a two dimensional representation of space–time in which two spatial dimensions are suppressed
Penrose tiling: any spatially nonperiodic tiling of the plane using tiles of a finite number of shapes; a three-dimensional analogue of this
Penrose triangle
An optical illusion depicting an impossible solid object made of three straight beams of square cross section which meet pairwise at right angles at the vertices of the triangle they form
penrose
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