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776 articles found
Food & nutrition
Vitamins are essential nutrients for maintaining our health and normal bodily functions. They come in various forms, have different functions, and play important roles in many phys
Earth science
The rainy season, which invariably arrives each summer in Korea, affects many people in various ways. It causes inconvenience in daily life and sometimes leads to major disasters.
Tourism studies
What if, out of nowhere, hundreds of visitors from elsewhere began coming to the alley outside your home every day to take selfies, shouting and singing loudly until late at night,
Physics
An eddy current is a swirling electric current induced inside a conductor such as metal by a changing magnetic field. This article covers how eddy currents arise, Lenz's law, why t
Logistics
Hello! The world of logistics is vast and complex, but its beginning and end are ultimately connected by 'transportation.' The most common means of transportation we see on the roa
Robotics
What exactly is an exoskeleton, a robot you wear like clothing to add strength to your body? This article covers its history starting with Hardiman, the sensors and control that re
Food & nutrition
The Scoville Scale expresses how hot a chili pepper is as a number, the Scoville Heat Unit (SHU). This article explains why spiciness is actually pain, how the scale is measured by
Physics
Conservation of angular momentum means that when no outside force acts to change its rotation, the amount of rotation a spinning object has stays the same. This piece covers the co
Film & media
Day for night is a filmmaking technique that makes scenes shot in daylight look like night. This article covers why filmmakers shoot night in the daytime, the four main ways to fak
General knowledge
Cunningham’s Law is the internet adage that the best way to get the right answer online is not to ask a question but to post a wrong answer. This article covers where the law came
Tourism studies
Tourism is an activity in which individuals or groups visit other regions or countries for various purposes, such as relaxation, exploration, and education. These activities are la
General knowledge
The car battery is one of a vehicle's key components, playing an important role in supplying power to start the engine, operate electronic devices, and run various electrical compo
