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769 articles found
Physics
Nuclear physics is a branch of physics that studies the structure and properties of atoms and atomic nuclei, playing an important role throughout modern science and technology. Thi
Social welfare
The National Pension system has firmly established itself as an important social security system that provides security in old age in modern society. It provides people with an eco
Chemistry
From the smartphone we check as soon as we open our eyes each morning to electric cars quietly passing along the street, laptops, and power banks, the daily lives of people today w
Business administration
An initial public offering (IPO, Initial Public Offering) is an important process in which a company publicly sells its shares to outside investors for the first time. It is a key
Tourism studies
Last chance tourism is travel to see vanishing landscapes, wildlife, or cultures before they are gone. This piece covers the concept and its origins, why people are drawn to it, we
Information technology
Modern society is experiencing rapid technological advances, and wearable devices stand out as an innovative technology bringing significant changes to various aspects of our lives
Earth science
In recent years, fine particulate matter has emerged as a major problem threatening the environment and human health. It is frequently found all around us, and its adverse effects
Food & nutrition
The Atwater general factor system estimates a food’s energy by multiplying each nutrient by a fixed value, such as 4kcal per gram for carbohydrate and protein and 9kcal per gram fo
Robotics
Passive dynamic walking is the idea that a machine can walk using only gravity and inertia, with no motors or controllers, as long as its body shape and weight distribution are rig
Physics
The universe is so vast that its limits are impossible to fathom, and countless mysteries lie hidden within it. Humanity has pursued research tirelessly over a long period to uncov
Physics
Plasma is the 4th state of matter, following solids, liquids, and gases, and is a unique state with electrical and high-temperature characteristics. These characteristics give plas
Earth science
Why does solid ground turn soft and flow like water during an earthquake? This article explains soil liquefaction, in which water-saturated sandy ground behaves like a liquid, cove
