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810 articles found
Physics
Certain solids build up electric charge on their surfaces the moment they are pressed or stretched. This article covers how the piezoelectric effect works, the meaning behind its n
Earth science
Waves are a natural phenomenon commonly seen at the beach, but their formation and behavior involve highly complex and varied processes. Understanding waves plays an important role
Earth science
A geomagnetic reversal is when Earth’s magnetic north and south poles swap places. This piece covers how Earth’s magnetic field is made, how scientists found traces of past reversa
Economics
The Producer Price Index (PPI) is an economic indicator and an important tool for measuring changes in the prices of goods and services that producers supply to the market. It does
Food & nutrition
In modern society, health has become our most important asset, and various ways to maintain and improve personal health are therefore attracting attention. In particular, superfood
Psychology
The Asch conformity experiments, begun by social psychologist Solomon Asch in 1951, showed that people often go along with a group’s clearly wrong answer on a simple line-length ta
Food & nutrition
Mineral nutrients (minerals) are essential for maintaining human health, and consuming them in daily life is important. They support various functions in the body, particularly by
Film & media
VFX(Visual Effects) is an important technology widely used in modern film, games, advertising, and various media industries. VFX uses computer graphics and animation to create and
Physics
Why does a swing go higher and higher when you push it in rhythm? This article explains what resonance and natural frequency mean, how the swaying grows, its uses in musical instru
Chemistry
Chemistry is transforming every aspect of our lives, and polymers in particular play a central role in a wide range of fields, from everyday life to advanced industries. Beyond sim
Education
Backward design is a way of planning lessons by starting from the destination, not the activity. This article covers how it differs from the usual approach, its three stages, the s
Library & information science
This time, I would like to put together material on budgets in public libraries. Public library budget preparation is the process of developing, analyzing, and finalizing plans for
