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797 articles found
Physics
Classical mechanics is an important foundational field of physics that explains the relationship between the motion of objects and the forces acting on them. Developed on the basis
Psychology
Rapid technological advances and dramatic social changes in modern society are presenting many people with new challenges and considerable stress. These changes affect not only wor
Statistics
Reliability and validity always come up when studying surveys in statistics, marketing, or opinion polling. This guide uses two illustrated examples, shooting and makeup, to make t
Social welfare
The parental leave system has become one of the most important policies in modern society. By giving parents time to focus on raising their children, it plays a major role in ensur
Education
Education is not simply about conveying knowledge; it is a complex process of bringing out students' full potential. Educational psychology plays an important role in this process.
Earth science
A tsunami is a series of giant, very long waves created when a huge volume of seawater is displaced at once by an undersea earthquake, landslide, or volcanic eruption. This piece c
Film & media
The Kuleshov Effect is the phenomenon in which viewers create new meaning and emotion on their own when the same shot is joined to different shots. This article covers the concept
Chemistry
Le Chatelier's principle states that when a system at chemical equilibrium is disturbed by a change in concentration, pressure, or temperature, the equilibrium shifts in the direct
Statistics
The data in the real world we live in are never neatly organized. Some data are skewed to one side, some have multiple peaks, and others are scattered irregularly without any patte
Logistics
Third-party logistics (3PL) means entrusting part or all of a company's logistics to an unaffiliated outside specialist under a long-term contract. This article covers what 3PL mea
Psychology
Psychologist Abraham Maslow divided basic human needs into five stages. This article introduces his hierarchy of needs, from physiological needs, safety, and belonging and love to
Film & media
Chroma key is a video compositing technique that makes one color on screen transparent and layers another background in its place. This piece covers how it works, its history from
