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Functional fixedness is a cognitive bias that limits a person to use an object only in the way it is traditionally used. The concept of functional fixedness originated in Gestalt psychology, a movement in psychology that emphasizes holistic processing. Karl Duncker defined functional fixedness as being a mental block against using an object in ...
The design and construction of skyscrapers involves creating safe, habitable spaces in very high buildings. The buildings must support their weight, resist wind and earthquakes, and protect occupants from fire. Yet they must also be conveniently accessible, even on the upper floors, and provide utilities and a comfortable climate for the occupants.
Writer's block is a non-medical condition, primarily associated with writing, in which an author is either unable to produce new work or experiences a creative slowdown. Writer's block had various degrees of severity, from difficulty in coming up with original ideas to being unable to produce work for years.
Block design. In combinatorial mathematics, a block design is an incidence structure consisting of a set together with a family of subsets known as blocks, chosen such that frequency of the elements [clarification needed] satisfies certain conditions making the collection of blocks exhibit symmetry (balance).
A pallet of "8-inch" concrete blocks An interior wall of painted concrete blocks Concrete masonry blocks A building constructed with concrete masonry blocks. A concrete block, also known as a cinder block in North American English, breeze block in British English, concrete masonry unit (CMU), or by various other terms, is a standard-size rectangular block used in building construction.
In Why Nations Fail, a popular book on long-term economic development, Daron Acemoglu and James A. Robinson argue the major reason countries stagnate and go into decline is the willingness of the ruling elites to block creative destruction, a beneficial process that promotes innovation.
One such solution comes from Finland, where a company called Block Solutions is revolutionizing the construction industry by utilizing plastic waste to create interlocking Lego-like building blocks.
A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load. The rope is threaded through the pulleys to provide mechanical ...