Categorywolhan

In this blog post, we will look at how the perspective of physics has changed, from Newton’s particle theory to Maxwell’s electromagnetic field theory.   According to the classical mechanics system established by Isaac Newton in the 17th century, physical reality consists of three basic elements. These are “absolute space,” in which nothing exists; “mass points,” which move...

In this blog post, we will examine how Confucian scholars in the mid-Joseon period understood and accepted Taoism.   Early Confucian scholars in Joseon refused to acknowledge the existence and legitimacy of Taoism, viewing it as a heresy, and were extremely wary of allowing Taoism to infiltrate the Confucian ideological system. This overall negative perception of Taoism remained largely...

In this blog post, we will explain the structural principles of traditional wooden architecture and the secrets of the gajang technique, which reduces the number of pillars, in an easy-to-understand manner.   The structure of traditional wooden buildings can be divided into two main parts. One is the roof, and the other is the wooden frame that supports it. First, the roof is covered with...

In this blog post, we will look at why long-term climate prediction is difficult, focusing on the influence of the oceans, observation limitations, and the complexity of the system.   Climate patterns vary from year to year, with some years experiencing extreme heat waves and other years experiencing cooler-than-usual summers, resulting in irregular fluctuations in summer temperatures...

In this blog post, we will look at how the Stoics faced the limits of knowledge and chose silence through the paradox of the heap.   Can a single grain of wheat make a heap of grain? No. Then what about two grains? No, still not enough. Three grains? Still no. What about ten thousand grains? It is clear that if enough grains are piled up, they will form a pile of grain. However, a single...

In this blog post, we will examine how objects in contemporary theater go beyond mere props to function as vehicles of interpretation and symbolism.   Contemporary theater does not aim to reproduce reality as it is, as it did in the past. While theater in the past focused on reproducing the visible reality, contemporary theater goes beyond the reproduction of reality and moves toward...

In this blog post, we take a critical look at whether the advancement of information technology actually means a transition to a post-industrial society.   One of the key arguments put forward by proponents of post-industrial society is that the main source of productivity and economic growth in modern society is no longer traditional capital or labor, but rather the “creation of knowledge.”...

In this blog post, we will learn how watermarks inserted into digital photos are hidden and resistant to editing.   Digital watermarking is the technology of invisibly inserting a specific identifier, or watermark, into digital photos. These watermarks can be extracted using certain methods after insertion and can be used as a means of proving the copyright of a photo. Therefore...

In this blog post, we will take a closer look at the true nature of the lunar calendar, including the lunisolar calendar, leap months, and the method of calculating the length of the year.   The calendar traditionally used in East Asia is commonly referred to as the “lunar calendar,” but it is actually a “lunisolar calendar” that reflects both the movements of the sun and the moon. In other...

In this blog post, we will take a closer look at the protein folding process, the occurrence of denatured proteins, and their effects on cells.   When multiple amino acid molecules are connected in succession, they form a long, string-like chain structure. We call these chains polypeptides. These polypeptides do not simply exist in a straight line, but rather fold, bend, and roll up like...