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A staircase with two missing stairs and a warning sign, where the structural problem has not been fixed yet. The missing stair is a metaphor for a person within a social group or organization who many people know is untrustworthy or otherwise has to be "managed," but around whom the group chooses to work by discreetly warning newcomers of their behavior, rather than address the person and ...
A stair flight is a run of stairs or steps between landings. A stairwell is a compartment extending vertically through a building in which stairs are placed. A stair hall is the stairs, landings, hallways, or other portions of the public hall through which it is necessary to pass when going from the entrance floor to the other floors of a building.
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 ...
An impossible trident with backgrounds, to enhance the illusion Roger Hayward's Undecidable Monument. An impossible trident, [1] also known as an impossible fork, [2] blivet, [3] poiuyt, or devil's tuning fork, [4] is a drawing of an impossible object (undecipherable figure), a kind of an optical illusion.
However, in the case of the Penrose stairs the hero descends another flight of stairs to catch up to the antagonist and catch him unaware. [14] The cover of the 2011 album Angles by American rock band The Strokes depicts a complex set of Penrose stairs. In their 2015 single called "Greek Tragedy," English rock band The Wombats mentions the ...
This causes the stairs to lay in a flat sheetlike arrangement, one after another, so they can easily travel around the bend in the curved section of track. The tracks carry the steps down along the underside of the truss until they reach the bottom landing, where they pass through another curved section of track before exiting the bottom landing.
The oldest quantitative laws in psychology are Weber's law, which states that the smallest noticeable difference in stimulus intensity is proportional to the intensity of the reference; and Fechner's law, which quantifies the relationship between the intensity of the physical stimulus and its perceptual counterpart (e.g., testing how much ...
Thinking outside the box (also thinking out of the box [1] [2] or thinking beyond the box and, especially in Australia, thinking outside the square [3]) is an idiom that means to think differently, unconventionally, or from a new perspective.