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...
Why do we have curly hair, and how does a straightening perm work to straighten it?
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...
What scientific principles allow golfers to hit the ball so far?
In this blog post, we’ll explore the various scientific principles behind golf, including the golf swing, the motion of the ball, the role of dimples, and how advancements in sports science are influencing the sport. Mechanics and Analysis of the Golf Swing It is often said that there is no single, set rule for the golf swing. In fact, countless golfers have their own unique swing styles...
Why do the dimples on a golf ball make it fly farther?
In this blog post, we’ll explore the role of vortices in our daily lives and, in particular, how they relate to the flight of a golf ball. When fall arrives, images of colorful foliage, reading, and fall sports days come to mind. Most of us have probably had the experience of sprinting across a wide playground as children, only to trip over a large rock lying there and fall. Similarly...
Can the right to be free from suffering serve as a justification for the advancement of human genetic engineering?
In this blog post, we’ll explore the potential for advancements in human genetic engineering and the ethical controversies surrounding it from the perspective of the right to be free from suffering. You, Too, Could Be in Pain Let’s imagine this scenario. Every morning, I’m unable to move for 10 minutes due to excruciating lower back pain. It takes me 30 minutes after waking up to struggle...
Solid-Solid Reactions: What Are They?
In this blog post, we’ll explore the principles and characteristics of solid-solid reactions—where solids react with one another—and how they’re applied in everyday life. Let’s think back to our science lab classes from elementary school through high school. If you paid close attention in class, you’ll likely remember various experiments related to the solid, liquid, and gas states...
How have polymers expanded the possibilities of advanced materials, including LCDs?
In this blog post, we’ll explore the basic concepts and various properties of polymers, as well as their potential applications, with a focus on LCDs. Concepts and Characteristics of Polymers Polymers are important materials used in every aspect of our lives, but despite their significance, they remain a somewhat unfamiliar field to the general public. Unlike the patent dispute between...
How has computational chemistry transformed chemical research with the advancement of computer technology?
In this blog post, we’ll explore the research methods and applications of computational chemistry, a field that has grown significantly alongside advances in computer technology. Computational chemistry is a branch of chemistry that studies the composition, properties, structure, and changes in substances. Generally, when people think of chemical research, they tend to imagine synthesis...
Is it really impossible to crack a rock with an egg? The truth behind the proverb, examined through the lens of fatigue failure
In this blog post, we’ll examine the proverb “hitting a rock with an egg” through the engineering concept of fatigue failure, and together reflect on the meaning of “impossibility”—something we’ve always taken for granted. Is the saying “hitting a rock with an egg” really an undeniable truth? Chul-soo, an engineering student, and Young-hee, a humanities student, are walking across campus...
Why were pesticides detected in eggs, and how dangerous are they to humans?
In this blog post, we’ll examine the types of pesticides detected in eggs, how they work, their effects on the human body, and the causes of the pesticide-contaminated egg scandal. Why did the pesticide-contaminated egg scandal occur? In 2017, an incident in Europe involving the distribution of eggs and processed foods contaminated with fipronil caused a major global uproar. Subsequently...