In this blog post, we’ll examine the hydrodynamic principles behind the high-tech swimsuits that shook the world of swimming, how they helped athletes improve their times, and why FINA decided to regulate them.   At the World Aquatics Championships held in Rome, a staggering 43 world records were set. The swimming world witnessed a wave of record-breaking performances, including a new world...

In this blog post, we’ll examine how mobile phone subsidies in South Korea affect consumers’ device purchase costs and service fees, and explore how to balance consumer protection and market competition in today’s South Korean mobile communications market, now that the strict subsidy regulations of the past have been abolished.   Why Do Prices Vary for the Same Cell Phone? When looking to...

In this blog post, I’d like to examine the significance of mathematics in daily life and the advancement of science and technology, and reflect on the challenges currently facing mathematics education as well as the direction we should take moving forward.   After graduating from high school, I thought my days with math were over, but when I arrived at college and saw that nearly half of my...

In this blog post, we’ll examine the long-standing issues of device subsidies and distribution structures in the South Korean smartphone market, trace the changes that led to the current subsidy competition system—from the introduction to the repeal of the Mobile Device Distribution Act—and discuss what consumers need to know to make informed smartphone purchases.   The sight of nearly...

In this blog post, we’ll examine the characteristics of the Han River—a space that epitomizes Seoul—and the Han River Park, and explore the various forms of rest and leisure that the Yeouido, Banpo, Jamsil, and Nanji Han River Parks provide to citizens.   The Han River: A Haven for Seoul Residents If you’re a Seoul resident, you’re bound to come across the Han River at least once in your...

In this blog post, we’ll explore the principles, development, environmental implications, technical limitations, and future potential of hybrid vehicles—which combine internal combustion engines with electric motors.   In the 21st century, humanity enjoys a very prosperous and convenient life thanks to advancements in mechanical engineering, such as high-speed rail technology, aviation...

In this blog post, we’ll examine representative examples of flying cars and the operating principles of automotive engines, and explore the role engines play as a power source for these vehicles.   Flying cars have long been a vision of future transportation that many people have imagined. In fact, the “Transition,” developed by Terrafugia, was designed as a car-like aircraft that combines...

In this blog post, we’ll examine the morphological and functional characteristics of skin—which make us recognize humans as human—as well as advancements in artificial skin technology, while considering whether skin can be a key factor in defining what it means to be human.   In TV commercials, female celebrities appear to showcase their dewy skin while promoting cosmetics. Inspired by these...

In this blog post, we’ll explore the origins of the computer and its evolution from early computing devices to electronic computers and personal computers. We’ll also examine how changes in hardware and software have shaped today’s computers and look at the direction in which future computer technologies—such as quantum computing and DNA computing—are heading.   How did the concept of the...

In this blog post, we’ll explore the principles of pipelined processing—one of the key methods that allowed computers to efficiently process multiple instructions and boost performance—along with structural, data, and control issues, and how they were resolved.   Have you ever tried to handle multiple tasks at once in your daily life? For example, imagine doing household chores all at the...