In this blog post, we’ll examine the necessity of whitelists for industrial production facility security and the conditions required for their implementation.   Why Is Industrial Equipment Security an Issue? Rapid technological advancement always comes with unintended consequences. The term “computer” here extends beyond simple desktop computers to include all devices—such as cell phones...

In this blog post, I’d like to share my experience walking the Camino de Santiago and what that journey meant to me.   Camino de Santiago I am an introvert. I prefer sitting indoors, quietly listening to music and reading a book, to running around outdoors, and I prefer maintaining close relationships with one or two people rather than getting to know a wide variety of people. While people...

In this blog post, we’ll explore the basic concepts for reading stock market trends—from the principles behind rising and falling stock prices to the meanings of the KOSPI and KOSDAQ indices, and the roles of foreign investors, institutional investors, and retail investors.   A Stock Market That Swings from Pale Blue to Bright Red In the market, prices are determined by supply and demand...

In this blog post, I’ll explore the evolution from Impressionism to contemporary art—and its significance—through the works I encountered at the Basel City Art Museum.   A Start Trapped in Impressionism When I first visited the museum, the works I encountered were mostly from the Post-Impressionist movement. Since I was already familiar with painters like Van Gogh, Gauguin, and Monet from my...

In this blog post, we’ll take a closer look at what biobutanol is, how it’s produced, and its pros and cons.   What Are Butanol and Biobutanol? Petroleum is a key energy source that powers modern society, but it poses major problems such as depletion and environmental pollution. Against this backdrop, “biobutanol” is gaining attention as one of several alternatives to petroleum. First, we...

In this blog post, I’ll focus on Barcelona—which left a particularly deep impression on me during my 48-day trip through Europe—and the works of Gaudí, the architect who defines the city.   The Background of My Trip and My First Encounter with Gaudí This past summer, I embarked on my first independent trip and spent 48 days traveling around Europe. It was a trip I’d planned for a long time...

In this blog post, we’ll take a look back at the major changes and memorable events from Lineage’s early episodes, starting with the Talking Island and continuing through Gludio and Kent Castle.   Episode 1: The Talking Island Introduced in September 1998, the Talking Island was the first area players encountered—it served as the birthplace for all Lineage characters until the creation of...

In this blog post, I’ll provide a simple overview of diatonic chords and the basic concepts of intervals, harmonies, and chords needed to understand them.   Intervals: The Distance Between Sounds An interval is a unit that represents the distance between two sounds. To make the explanation easier, I’ll use C (Do) as the reference note. The names commonly used in music are A, B, C, D, E, F...

In this blog post, we’ll examine how game theory and the Nash equilibrium explain the phenomenon of drivers “cutting in.”   Game Theory and Strategic Choices Game theory is a framework for analyzing situations in which multiple participants pursue their best possible outcomes while taking each other’s choices into account. The actions each participant can choose are called strategies, and...

In this blog post, I’ll talk about my experience as a “fake gifted student”—which began when I was in middle school—the insights I gained from it, and my resolutions for the future.   It was my first year of middle school. Among my friends, there were some who went to other schools or universities every Saturday to study. They attended math and science gifted education centers, and since I...