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810 articles found
Earth science
Tides, the periodic rise and fall of sea level, are driven mainly by the gravity of the Moon and the Sun. This article covers how tides work, the differences between high and low t
Information technology
Smart grids play an important role in addressing the energy challenges of modern society and creating a sustainable future. Unlike traditional power grids, smart grids use informat
Psychology
Learning refers to the process of acquiring or changing knowledge, skills, attitudes, responses, and other attributes through an individual's experiences and changes in their envir
Economics
Life is a series of choices. From the smallest questions when we open our eyes in the morning, such as "Should I sleep for 5 more minutes, or get up now?", to major decisions that
Physics
Superconductors are materials whose electrical resistance becomes 0, meaning that current can flow without energy loss. Thanks to this property, superconductors offer possibilities
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
Economics
The trade balance is one of the key indicators for assessing and understanding a country's economic conditions. It represents the difference between exports and imports arising fro
Food & nutrition
Why do bread crusts and grilled meat turn brown and taste so savory? This article explains what the Maillard reaction is and how it works, conditions such as temperature, moisture,
Education
Proposed by educational psychologist David Ausubel, an advance organizer is a broad, general idea presented before new material so it can connect to what learners already know. Thi
Tourism studies
Dark tourism (known in Korean as travel to learn lessons from history) is a form of travel that explores human curiosity and the desire to understand historical and social events.
Information technology
Why have computers kept getting smaller, faster, and cheaper for more than half a century? This article explains Moore’s Law: how it began, what it really means, how it changed the
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
