In this blog post, we’ll examine how products commonly found around us—including anti-theft devices at grocery stores—utilize the principle of electromagnetic induction, and explore how this fundamental principle is applied in real-world devices.   What is electromagnetic induction, and how does it occur? When we go to the checkout counter after shopping at a supermarket, we often see two...

In this blog post, we’ll explore the principles and methods of data mining—which involves extracting meaningful information from vast amounts of data and analyzing past patterns to predict the future—as well as real-world examples of its application.   A Digital Ark Emerging from the Flood of Data In recent years, there’s a term that has frequently appeared in the IT and science sections of...

In this blog post, we’ll explore the basic principles of data compression—which we use every day—and examine how Huffman coding, a leading method of lossless compression, efficiently reduces data size.   How to Store Data in a Smaller Space In the 21st century, it feels as though we couldn’t survive even a single day without a computer. We can now share photos on social media anytime...

In this blog post, I will examine the safety, economic viability, and environmental aspects of nuclear power, as well as energy security and the competitiveness of South Korea’s nuclear power exports, to consider how South Korea should utilize nuclear power.   The 2011 Great East Japan Earthquake led to the devastating accident at the Fukushima Daiichi Nuclear Power Plant. As a result, not...

In this blog post, I will examine how South Korea’s Science Olympiad is operated and what factors contribute to its outstanding performance in international competitions. I will also discuss the underlying issues of private tutoring and inequality of opportunity, as well as future directions for improving the system.   What is the Science Olympiad? In August 2012, the nation’s attention was...

In this blog post, we’ll examine how South Korea developed its shipbuilding technology and grew into a world-leading shipbuilding powerhouse, focusing on technological advancements such as riveting, welding, block construction methods, and pre-outfitting.   How have shipbuilding technologies evolved? For centuries, our ancestors have utilized “boats” as a means of transportation to take...

In this blog post, I will examine the differences between universal education and elite education and discuss why South Korea should implement elite education from the perspectives of overall social development and educational efficiency.   The Purpose of Education and the Need for Elite Education Education is a means of nurturing desirable talent so that individuals can lead happy lives...

In this blog post, I’d like to examine the advantages and risks of nuclear power, along with South Korea’s current energy supply and demand situation and the potential of renewable energy, to consider whether it is necessary to continue relying on nuclear power.   Nuclear power generation refers to a method of producing electricity by generating steam using the energy released during the...

In this blog post, we will examine the problems facing South Korea’s education system—including rote learning, school violence, and issues with public education—and consider the direction and measures needed to foster a diverse pool of talent.   The Meaning of Education and the Problems Facing South Korea’s Education System Education is like the flower and hope of a nation. Education...

In this blog post, I’ll examine the achievements and limitations that South Korean engineering has produced throughout the nation’s industrial development, and consider what engineers must do to go beyond technical expertise and develop an understanding of business and society so they can take a more proactive role in leading society.   This is a conversation I had last winter over drinks...