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Is a concert hall another instrument that conveys music?

In this blog post, we’ll explore how the structure and acoustic characteristics of a concert hall influence the way music is conveyed.   While studying in the Department of Materials Science and Engineering at Seoul National University’s College of Engineering, I was a member of the Seoul National University Choir starting in my freshman year. During my three years in the choir, I performed...

What types of bidding systems exist for public construction projects, and what are their respective characteristics?

In this blog post, we will examine the characteristics and pros and cons of the three main bidding systems used in public construction projects: the lowest-price bidding system, the qualification-based bidding system, and the turnkey bidding system.   Civil engineering is a field primarily applied to the construction of social infrastructure (SOC), such as roads, dams, and bridges. Since the...

Why is the surface of a golf ball dimpled? What is the principle behind these dimples from a fluid dynamics perspective?

In this blog post, we’ll examine how the dimples on a golf ball’s surface reduce air resistance and increase driving distance from a fluid dynamics perspective.   In golf, driving distance—the distance the ball travels—is one of the key factors that distinguish professional players from amateurs. Consequently, the ability to hit the ball far holds great significance in golf. For this reason...

Why Are High-Rise Buildings Safer During Earthquakes? Understanding the Principles of Vibration Through Resonance

In this blog post, we’ll explore what resonance is and examine the principles behind why high-rise buildings can be safer during earthquakes than low-rise buildings.   Major cities around the world are home to famous skyscrapers. When looking at skyscrapers like the Shanghai World Financial Center in China, everyone has probably wondered at least once, “What would happen to a skyscraper like...

The Guardian of Solitude: How Do Airbags Save Our Lives?

In this blog post, we’ll take an in-depth look at airbags—a core component of automotive safety technology—including their origins, how they work, the various types available, and their actual safety performance.   Why Were Airbags Developed? Since the publication of Ralph Nader’s book ‘Unsafe at Any Speed’ over 40 years ago, car dashboards, steering wheels, and other components...

In a competitive society, can “custom-made” humans truly create a better future?

In this blog post, we’ll examine the social changes that “custom-made” humans might bring about in a competitive society, along with their limitations, and consider together how genetic selection technology might affect human happiness.   In the past, as far back as the grandmothers’ and mothers’ generations in South Korea, when a woman became pregnant, she didn’t know what characteristics...

Do imperfections simply weaken materials? What role do imperfections play in making materials beautiful?

In this blog post, we’ll explore how imperfections within materials affect their properties and applications, and why imperfections are actually a key factor that enhances a material’s value.   Not many people like the word “imperfection.” People prefer perfection, and if there’s even a small imperfection, they try to fix it somehow. To people, imperfections are a source of anxiety. However...

Game Theory, Nash Equilibrium, and How to Find the Best Strategy

In this blog post, we’ll explore the basic concepts of game theory and how the principle of Nash equilibrium explains various social phenomena.   Game theory is a framework for analyzing situations in which two or more participants seek to maximize their own interests while taking each other’s choices into account. Such situations arise not only in sports but also in various fields such as...

Why was the online gaming shutdown policy repealed, and was it truly necessary for the protection of minors?

In this blog post, we will examine the background and issues surrounding the implementation of the online gaming shutdown policy, the process leading to its repeal, and the future direction of youth protection policies.   Background and Controversy Surrounding the Online Gaming Shutdown Policy In 2011, the South Korean government introduced the online gaming shutdown policy to prevent...

How Is Artificial Intelligence Shaping the Future of the Gaming Industry?

In this blog post, we’ll explore the current state and future direction of artificial intelligence in the gaming industry, as well as the future of game development.   What Role Does Artificial Intelligence Play in the Gaming Industry? Since “AlphaGo” defeated Lee Sedol in 2016, interest in artificial intelligence has surged worldwide. Since then, AI has expanded its scope beyond Go to...