Categorywolhan

In this blog post, we will examine the principles behind X-ray diffraction analysis and how it contributes to scientific advancement by revealing the internal structure of objects.   Glass doors are transparent, but wooden doors are not. Plastic cups break when stepped on, but aluminum cans dent. Even if you make them the same size, thickness, and shape, the differences remain because glass...

In this blog post, we will take a closer look at the structure and operating principle of electrochemical gas sensors to understand how gas leaks are detected as electrical signals in a simple and detailed manner.   An electrochemical gas sensor is a device that detects specific gases by utilizing the current generated through chemical reactions. This sensor measures the amount of current...

In this blog post, we will introduce the amazing efficiency and features of Vim, the ultimate text editor, and explain why it is called a “super notepad.”   Vim is a text editor that belongs to the same type as the Windows Notepad that people are familiar with. Vim’s text editing efficiency is so high that it can be called a “super notepad.” Vim is primarily used for editing computer...

In this blog post, we will examine the impact of the evolution of TV on modern society and our daily lives. Explore the role of TV, which has evolved beyond a simple video device to a center of communication and information.   In the Joseon Dynasty, there was a king and his brother. A woman whom they both loved died and came back to life as a shaman. The brothers became enemies, and the...

In this blog post, we will examine whether electromagnetic waves emitted from TVs and computers are truly harmful to our bodies, based on scientific evidence. Let’s take a look at the misconceptions and truths about electromagnetic waves.   Everyone has probably heard their mother say, “The electromagnetic waves from the TV are harmful to your health,” while staring intently at the TV...

In this blog post, we will explore the public’s image of architects, the actual role of architects, and the true nature of architectural engineering.   In this blog, I would like to introduce architectural engineering. Before diving into architectural engineering, it is important to address the gap between the image of architects portrayed in TV and movies and the reality of their work...

In this blog post, we take an in-depth look at the importance of REM sleep and its effects on memory through various scientific studies and examples.   Sleep is one of the basic necessities for human survival. According to the Korean dictionary, sleep is defined as “a state of unconsciousness with closed eyes.” Although humans spend one-third of their lives sleeping, many people today view...

In this blog post, we’ll explore how GPU technology is being used in various industries, including science, healthcare, and artificial intelligence, beyond gaming graphics, and what changes it will bring in the future.   In recent years, the gaming market has experienced explosive growth, and as a result, graphics technology has also advanced significantly. The graphics in the latest...

In this blog post, we will examine whether GMOs can be the key to solving food shortages or a potential threat to the ecosystem from both sides of the debate.   GMO stands for Genetically Modified Organism, commonly translated as “genetically modified organism.” GMOs are organisms whose genes have been manipulated to insert certain components or remove existing genes to enhance productivity...

In this blog post, we will explore whether games are a social evil that promotes violent tendencies in teenagers or a positive leisure activity, and examine the positive and negative effects of games.   My parents strongly dislike games. If I play games at home, I inevitably hear their nagging. Although they do not impose direct restrictions, the atmosphere makes me feel as if I am...