In this blog post, we’ll examine how the different structural designs of the Gwangandaegyo Bridge and the Incheon Bridge—despite their similar appearances—create distinct mechanical differences and structural characteristics, and how these differences manifest in terms of safety, constructability, and aesthetics. Appearance and Misconceptions The Gwangan Bridge and the Incheon Bridge boast...
In this blog post, we will examine the truth of scientific theories and the reality of their objects of study, focusing on two questions raised regarding the epistemological status of scientific theories. Science is deeply embedded in our lives. The spaces we inhabit, the food we eat, the clothes we wear—and even the substances that make up our bodies—are all subjects of scientific inquiry...
In this blog post, we’ll examine the necessity and limitations of animal testing in the new drug development process, as well as animal rights and the potential for alternative technologies. Since the beginning of the 21st century, new drug development has established itself as a core sector of the biotech industry. This is because a single successful new drug not only generates immense...
In this blog post, we’ll explore why the problem of pet abandonment persists and how the responsibilities that come with adopting a pet are often underestimated. Dogs and cats have lived alongside humans since time immemorial. In ancient times, our bond with animals began with attempts to domesticate wild animals to meet human needs. As civilization progressed, domesticated animals...
In this blog post, I’d like to share a story from my high school days to explore what the right choice is between being considerate of others and upholding justice—and how that experience changed me. How did this excessive consideration begin? It happened during my freshman year of high school. Since the high school system in my area wasn’t standardized, it was natural for a certain level...
In this blog post, we’ll explore what industrial engineering is and the role it plays in modern society through various examples. Industrial Engineering? When I tell people I majored in industrial engineering in college, I often hear them say, “I’m not really sure what that is.” In fact, industrial engineering is one of those fields where it’s hard to guess what you’ll learn just from the...
In this blog post, we’ll explore the principles behind maglev trains and superconductors, as well as how superconductors are utilized in maglev trains. Is it possible to travel from Seoul to Busan in just one hour by train? Even the KTX, currently South Korea’s fastest high-speed train, takes over two hours to travel from Seoul to Busan. If there were a train capable of traveling at speeds...
In this blog post, we’ll examine what the key to success is for a chemical plant by looking at chemical processes and the role of reactors. What are South Korea’s leading export items today? While many people think of semiconductors and cutting-edge IT products, petroleum products are also among the country’s leading exports. Although South Korea is a non-oil-producing nation that does not...
In this blog post, we’ll explore the principles behind how MOSFET transistors enabled the miniaturization of electronic devices and what that means. These days, no matter where you go, it’s easy to spot people using smartphones. People browse the internet or watch videos while walking down the street, and they can make payments with their smartphones even without a credit card or cash...
In this blog post, we’ll take a scientific look at the causes of curly hair and the principles behind how a straightening perm straightens it. Hair that stands on end like a lion’s mane, frizzy and dry-looking strands, and hair that quickly reverts to its original state no matter how hard you straighten it with a flat iron or apply styling products—these are concerns that anyone with curly...