In this blog post, we will look at the two main causes of skin aging, intrinsic aging and photoaging, and introduce ways to delay them and lifestyle habits to help. If you look around, you will see many people who have entered college and spent a difficult first year as freshmen. After spending a year like that, when they look in the mirror and see photos of themselves as freshmen entering...
In this blog post, we will look at the principle of fatigue, which occurs when repeated forces accumulate, and how it affects ship structures. On January 16, 1943, an American tanker named “Skinner” anchored in a port in Portland, Oregon, was split in two by fatigue. And until a torpedo was found, fatigue was one of the hypotheses for the cause of the sinking of the Cheonan in 2010. So...
This blog post provides an easy-to-understand explanation of the current state and future potential of flexible display technology. Computers that can be worn like clothes, electronic paper that can be folded and rolled up like newspapers, multifunctional electronic skin that can be attached to the body to monitor health, and other futuristic items depicted in science fiction movies and...
In this blog post, we explore Plato’s critical view of writing and the philosophical reasons why he chose to write despite his distrust. Many philosophers have had quite negative views on writing and reading. They despised books and believed that the wisdom gained from them was fake and far from reality. At the root of this attitude toward books lies Plato. Plato was a philosopher...
In this blog post, we will look at why propellers are still used as the core propulsion device for ships, through their background, technological evolution, various types, and examples of use. We are currently living in a global era. With frequent trade between countries, countries around the world are conducting trade based on their own interests. Trade between countries is conducted in...
In this blog post, we will discuss the development and importance of programming languages and how they play an important role in expressing human thought and developing problem-solving skills. Looking around modern society today, almost everyone uses computers to do many things. Most households have a computer. We can do countless tasks using computers, such as accessing the Internet to...
In this blog post, we will examine Poussin’s artistic philosophy and the influence of ancient Greek and Roman art, and explore how he pursued ideal beauty and immutability. The 17th-century French painter N. Poussin sought to express eternal and ideal beauty that transcends the experiential dimension through his paintings. His artistic philosophy went beyond mere aesthetic expression...
In this blog post, we will examine how everyday life and personal experiences have historical significance and how they are expanded into new historical narratives from the perspective of new cultural history. History changes. In the early days of historical research, simple chronological narratives and biographies of famous people were the norm. However, as time passed, history has...
In this blog post, we will explore how humans react to danger when the amygdala, the part of the brain responsible for fear, is damaged. Let’s imagine a situation where a person who is afraid of mice is suddenly confronted by one. Before they can make a rational decision, they will instinctively scream and run away. Why is that? The visual information of seeing a mouse is first...
In this blog post, we will learn how perming changes the internal bonds of hair through oxidation and reduction reactions to maintain the desired shape for a long time. How much time do people need to spend on their hair in the morning before leaving for work? The exact amount of time varies from person to person, but rather than styling straight hair with a hair dryer or wax every day...