In this blog post, we’ll take a simple look at the principles of fractional distillation columns—which separate gasoline from crude oil—and the basic concepts of distillation.   You’ve probably seen headlines like “Gasoline Prices Rise for Third Consecutive Week” or “Crude Oil at ○○ Dollars per Barrel.” As you can see, “gasoline” and “crude oil” are terms we encounter frequently in our daily...

In this blog post, I’ll explore the role and responsibilities of a leader, focusing on what leadership is and how to view and guide members within an organization who lack competence and motivation.   Last year, at the recommendation of people around me, I took a course called “Global Engineering Leadership,” one of the engineering literacy courses offered by the College of Engineering at...

In this blog post, we’ll explore the principles and characteristics of the ramjet engine, how it differs from conventional jet engines, and the evolution of supersonic flight technology.   The Principles of Jet Engines That Made Supersonic Flight Possible The speed of sound is approximately 1,235 km/h, which is referred to as “Mach 1.” Generally, a bullet travels at a speed of about Mach 2...

In this blog post, we’ll explore the concept of nanotechnology, its development, various applications, future potential, as well as safety concerns and limitations.   In this blog post, we will introduce nanotechnology—a concept that is still relatively unfamiliar to many—and examine its basic applications, as well as its limitations and safety concerns. “Nano” is one of the unit prefixes...

In this blog post, we’ll imagine a future where advances in science and technology have made eternal life possible, and explore whether eternal life can truly bring happiness to humanity.   Since the Scientific Revolution began some 500 years ago, science has built a dazzling civilization. Science has enabled humanity to achieve remarkable economic growth and has contributed to protecting...

In this blog post, we’ll examine the meaning of human death and eternal life from a philosophical perspective and consider why a finite life actually makes human existence more valuable.   Human life expectancy has increased dramatically compared to the past. Thanks to advances in medical technology and science, life expectancy has steadily risen, and in many countries, the average life...

In this blog post, we will examine whether endless time would be a happy blessing or an unhappy curse for humanity from philosophical and social perspectives.   Eternal life has long been a human aspiration. Myths of immortality found throughout the world and religions that promise an afterlife demonstrate that this desire has been a universal hope for humanity. Humans have not merely...

In this blog post, we’ll examine the reasons why people constantly upgrade their smartphones from psychological and social perspectives, and explore the underlying factors behind this consumer behavior.   Since the dawn of the 21st century, humanity has advanced technology at a pace beyond imagination. While progress has been made in countless fields, the information and communications...

In this blog post, I’ll explore the process by which dreams go beyond individual aspirations to become a reality through the collective hopes and efforts of a community, drawing on my experience with the solar power volunteer project in Nepal.   During the 2002 World Cup, South Korea experienced firsthand that “dreams do come true.” As the hope of reaching the semifinals—which had been...

In this blog post, we’ll examine the nature versus nurture debate surrounding human behavior and explore a rational perspective on how these two viewpoints interact.   Nature versus Nurture: The Beginnings of an Age-Old Debate Is human behavior rooted in genetics or the environment? Throughout history, the debate surrounding “nature versus nurture” has persisted for a long time. The more...