Film & media
Teleporting in Front of a Green Wall: Chroma Key
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
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Social welfare
The Role and Future of the National Pension: Strategies for a Secure Retirement
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
Physics
Light That Knocks Out Electrons: The Photoelectric Effect
The photoelectric effect is the phenomenon in which electrons at the surface of a material such as a metal or semiconductor absorb energy from incident light and escape. This artic
Statistics
The Greatest Theorem in Statistics: The Central Limit Theorem (CLT)
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
Education
Building a Foothold for Learning: Scaffolding
Scaffolding is a teaching strategy that gives learners temporary support for tasks they cannot yet do alone and gradually removes it as their abilities grow. This article covers it
Food & nutrition
Foods and Methods for Lowering Cholesterol: Habits for Better Health
Maintaining a healthy lifestyle requires considering various factors. Among them, cholesterol management plays an important role in heart health and overall physical health. High c
Logistics
AWB (Air Waybill): The Access Pass for Logistics in the Sky
When we order something from an online store, it arrives at our doorstep with a shipping label attached. This label contains all the information needed for delivery, including the
Business administration
Why Delegated Work Goes Astray: The Principal-Agent Problem
The principal-agent problem is the conflict that arises when the interests of the person who hands over a job and the person who takes it on diverge. We look at why it happens, how
Robotics
Reducing Error on the Way to the Goal: Proportional-Integral-Derivative Control
How do robot arms and drones stop right at their target? This article covers the history of PID control starting with Minorsky, the roles of the proportional, integral and derivati
Chemistry
Core Liposome Technologies and Innovative Application Strategies
Liposomes are artificial vesicles with a bilayer structure similar to biological membranes and have potential for a wide range of biological applications. These vesicles are attrac
Film & media
Frame Rate: A Decisive Factor in Video Quality
With advances in video production and streaming technology, we can now easily access high-quality video. However, many people still do not clearly understand the important factors
Tourism studies
What Tourism Interpretation Knowledge Is Needed to Become a Cultural Tourism Interpreter?
Cultural tourism interpreters play an important role in helping people understand and enjoy tourist destinations and cultural heritage more deeply. By providing visitors with exten