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A sliding puzzle, sliding block puzzle, or sliding tile puzzle is a combination puzzle that challenges a player to slide (frequently flat) pieces along certain routes (usually on a board) to establish a certain end-configuration. The pieces to be moved may consist of simple shapes, or they may be imprinted with colours, patterns, sections of a ...
Schroeder stairs can be perceived in two ways, depending on whether the viewer considers A or B to be the closer wall. Schroeder stairs (Schröder's stairs) is an optical illusion which is a two-dimensional drawing which may be perceived either as a drawing of a staircase leading from left to right downwards or the same staircase only turned upside down, a classical example of perspective ...
The box accommodates the woman (although it is a very tight fit). The blades are inserted into the right side of the box. It appears as if the blades take up more space; when inserted, the handle fills up the width of the box on the outside: but the blade inside only slices a portion of the box. The sliding contraption is not as narrow as it seems.
working on the design of a new picture, which featured a flight of stairs which only ever ascended or descended, depending on how you saw it. [The stairs] form a closed, circular construction, rather like a snake biting its own tail. And yet they can be drawn in correct perspective: each step higher (or lower) than the previous one.
The number of boxes matches the number of storage locations. The player, often represented as a worker character, can move one square at a time horizontally or vertically onto empty floor squares, but cannot pass through walls or boxes. To move a box, the player walks up to it and pushes it to an empty square directly beyond the box.
The posts are generally placed one tatami-length (about 1.82 metres (6.0 ft)) apart, and the shoji slide in two parallel wood-groove tracks between them. [8] In modern construction, the shoji often do not form the exterior surface of the building; they sit inside a sliding glass door or window. [5]
The broad stair (also called Brown Stair) is designed to teach the concepts of "thick" and "thin". It comprises ten sets of wooden prisms with a natural or brown stain finish. Each stair is 20 cm in length and varies in thickness from 1 to 10 cm [dubious – discuss]. When put together from thickest to thinnest, they make an even staircase.
The 16th Avenue Tiled Steps, colloquially known as the Moraga Steps, is a stairway in the Golden Gate Heights neighborhood in San Francisco, California. Fodor's calls it "possibly the world's largest mosaic staircase", [3] and it leads up to Grandview Park.