In this blog post, we’ll examine how human altruism developed, focusing on the repetition-reciprocity hypothesis, and explore the nature of altruistic behavior together.   We tend to view altruistic people more favorably than selfish ones. We tend to view someone who betrays a colleague for personal gain as a bad person, while we see someone who donates to the Salvation Army kettle in winter...

In this blog post, we’ll examine how human cooperation and altruism are formed and maintained, focusing on the reciprocity hypothesis.   A man with an unfamiliar name gave cola to some of the participants and then asked all of them to buy him a lottery ticket. As a result, a significant number of those who purchased lottery tickets were the participants who had received cola from him. This...

In this blog post, we’ll explore how altruistic behavior in humans can be explained through the repeated reciprocity hypothesis and the “tit-for-tat” strategy.   “The Selfish Gene,” a book by world-renowned evolutionary biologist Richard Dawkins, has had such a profound impact on the scientific community that discussions regarding its validity and limitations have continued vigorously ever...

In this blog post, we’ll explore the concept, characteristics, and advantages of modular construction, as well as examples of its application both domestically and internationally, and its potential for future development.   What Is Modular Construction? Traditional construction has been practiced for thousands of years, involving the transport of building materials to the construction site...

In this blog post, we’ll examine the relationship between luxury consumption and identity, and reflect on what true self-identity is—beyond the gaze of others.   For several years now, there has been a steady number of people in South Korea seeking out luxury goods. In the past, the luxury market grew rapidly, leading to a significant increase in consumption, and even today, South Korea is...

In this blog post, we’ll explore the principles behind why the “banana kick” (free kick) used by players like Messi and Beckham curves, focusing on the Magnus effect and Bernoulli’s principle.   The Banana Kick: Why the Ball Curves When watching a free kick, most people exclaim, “That’s a great shot!” or “How does the ball curve like that?” In soccer, a “banana kick” refers to a shot where...

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...

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...

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...

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...