Latest stories

How did Marina Bay Sands use the post-tensioning method to turn a nearly impossible architectural feat into reality?

In this blog post, we’ll explore the principles and architectural significance of the post-tensioning method applied to Marina Bay Sands, a landmark of Singapore.   Marina Bay Sands and Architecture of the Highest Difficulty In Marina Bay, the heart of Singapore, there is a building that immediately catches the eye. Hailed as a “miracle of 21st-century architecture” and established as...

Why Do They Tell Drivers Where Speed Cameras Are Located?

In this blog post, we’ll examine how speed camera location alert services affect traffic safety and drivers’ compliance with traffic laws, and consider their broader social implications.   Just over a decade ago, when driving on unfamiliar roads, people relied on road signs and paper maps to find their destinations. Even on familiar routes, relying solely on memory often led to taking...

Why are refrigerators essential for storing fresh food, and how do they keep the inside cold?

In this blog post, we’ll take an easy-to-understand look at the historical background of refrigerators, changes in the state of matter, and how refrigerators work using refrigerant circulation. We’ll also explore the significance of modern refrigeration technology and its future direction.   History and Background In prehistoric times, people did not have a great need to store food for long...

What is nanotechnology, and how is it changing our future?

In this blog post, we’ll take a step-by-step look at the concept of nanotechnology, its components, manufacturing methods, applications, and future prospects.   When did nanotechnology begin? Nanotechnology has a long history. The Lycurgus Cup from the Roman Empire around the 4th century, the stained-glass windows of Gothic cathedrals in medieval Europe, and artifacts decorated with Maya...

What do students learn in the Department of Mechanical and Aerospace Engineering, and what career paths are available?

In this blog post, we’ll explore—based on an understanding of engineering—what subjects are studied in the Department of Mechanical and Aerospace Engineering and how students deepen their expertise in their major.   When I mention that I’m studying in the Department of Mechanical and Aerospace Engineering, I often hear the same response: “So, after you graduate, you’ll be flying on airplanes...

What is the difference between the Gwangandaegyo Bridge and the Incheon Bridge, and why is the structural design important?

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...

Does scientific truth truly exist, and how can we determine it?

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...

Are animal tests truly an essential part of new drug development?

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...

An Underestimated Responsibility: Why Should We Take the Responsibility of Owning a Pet More Seriously?

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...

Why does being overly considerate sometimes end up hurting me?

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...