In this blog post, we’ll explore the concept and characteristics of gas hydrates—commonly known as “burning ice”—their potential as an energy source, their distribution patterns, and the current status of exploration and development in South Korea and around the world.   What Is a Gas Hydrate? A gas hydrate is a solid crystal that resembles dry ice in appearance; it is a substance formed...

In this blog post, we’ll examine the characteristics and principles of body armor materials—from the earliest materials used to the high-performance fibers widely used today, and on to the next-generation materials that will drive future body armor technology.   History: Cotton Armor and Early Body Armor Materials The history of body armor is very long. In Korea, during the Joseon Dynasty...

In this blog post, we’ll explore the principles of motor control, the roles of encoders and PWM—key technologies in this field—and why motor control is so important in modern engineering.   Why is motor control important? Since the dawn of the 21st century, the scope of engineering has expanded significantly, and technological standards have become increasingly sophisticated. In particular...

In this blog post, I will explain the manufacturing methods and characteristics of microdevices used in bio-micro/nano-mechanics research in an easy-to-understand manner.   Mechanical Engineering and Bio-Micro/Nano Mechanics Beyond familiar fields such as hydrogen fuel cell vehicles and AI robots, mechanical engineering encompasses a wide range of areas—including mechanical design, robotics...

In this blog post, we will examine the concept of big data, its 3V characteristics, storage, processing, and analysis technologies, the data production environment expanded by smartphones and social media, and use cases such as Seoul’s late-night buses, Google, and Amazon.   The Emergence and Definition of Big Data Recently, Seoul City has been operating late-night buses, which have been...

In this blog post, we will explore the types and scientific principles of water purifier filters—often referred to as the “must-have technology” of the 21st century—as well as their social significance.   In our highly advanced 21st-century civilization, we take material abundance and convenience for granted. While poverty remains severe in some developing countries, it is difficult to feel...

In this blog post, we’ll explore the advancements in 21st-century display technology and the potential of emerging technologies such as flexible, 3D, and transparent displays.   The Evolution and Significance of Displays In the movie “Minority Report,” there is a spectacular scene where the protagonist, Tom Cruise, views the predictions of precogs on a screen projected into thin air. He...

In this blog post, we will examine and summarize the meaning and history of SNS, as well as the origins and characteristics of major services.   The Meaning and History of SNS These days, we see global hit songs by singers spread rapidly through Twitter and Facebook, follow politicians’ activities in real time on social media, and catch up with friends’ news every day. Just looking at the...

In this blog post, we’ll take a brief look at the reality of malnutrition, which affects about 12% of the global population, and the activities of the WFP (World Food Programme).   The Reality of Malnutrition In the 21st century, technology has enabled us to produce large quantities of crops with minimal effort. As a result, we can easily find fresh produce as well as a wide variety of...

In this blog post, we’ll examine how high-frequency trading (HFT) created instant profit opportunities and caused problems, focusing on the 2010 “Flash Crash” incident.   Event Overview It was around 2:47:50 p.m. on May 6, 2010. The stock price of Accenture, a global consulting firm that typically traded around $40 per share, suddenly began to plummet. As if falling off a cliff, the stock...