CategoryKnowledge

The dimples on the surface of a golf ball are more than just a design feature, they play an important role in the ball’s distance. The dimples hydrodynamically reduce air resistance, delay flow separation, and reduce pressure differentials. This allows the ball to fly farther and more steadily, and the difference in distance is nearly double when compared to a smooth ball.   Anyone who...

This article is all about how traveling can help you break out of your routine, see the world through new eyes, and grow as a person. It emphasizes that travel can be a short walk or contemplation as well as a long planned journey, and that travel is an important experience that exposes people to different cultures and experiences that expand their thinking and make them reflect on the meaning of...

Cancer is a malignant tumor that occurs when cells in the body mutate and divide indiscriminately, destroying surrounding cells and is the number one cause of death. Thanks to advances in radiation therapy and chemotherapy, cancer survival rates have increased, but side effects remain a major challenge. New treatments, such as targeted therapies, are being developed, but they are not effective...

Unlike cell phones of the past, smartphones have gone beyond making calls and sending texts to acting as personal computers and have significantly changed our daily lives. With the ability to add various functions through apps, it has become an important tool in many aspects of the economy, society, education, and more, enriching our lives.   This is the age of the smartphone. In the modern...

  In this article, we’ll cover the causes of hangovers and how to deal with them. Acetaldehyde, inflammatory reactions, methanol, and other factors contribute to hangovers, and we’ll discuss the various remedies that can be used to control them, as well as suggest effective ways to deal with them.   Introduction As many office workers can attest, December is a time of year...

This article addresses the issue of judging people by their appearance and discusses how the normalization of cosmetic surgery can reduce appearance discrimination and create a fairer society. It offers an alternative perspective, arguing that closing the appearance gap through cosmetic surgery could reduce social inequality and discrimination and make humanity happier.   Is it really fair...

To identify a drowning victim, forensic scientists look for strong rigidity of the body, bronchial foam, vertebral body bleeding, and diatoms in the bladder. While these features are important clues to drowning, they can be confused with other causes of death and require careful investigation and further confirmation.   In recent years, there has been an increase in the number of dramas...

This article explores the development of science by focusing on Thomas Kuhn’s paradigm theory. It questions whether science seeks absolute truth or merely phenomena explained by new perspectives, and reconsiders the nature and goals of scientific inquiry.   As I read about the philosophy of science, I became aware of the debates about how science accumulates knowledge and progresses...

I enjoy competing with myself in my daily life, sometimes pointlessly, but it keeps me energized and active. A small competition between a Korean man and an Arab man in the sauna gave me a lot of pride, but it’s just part of the never-ending competition.   I feel like I have a lot of useless competition. For me, competition is like an energizer bunny that gives me a sense of freedom...

  This article explores what happiness is and whether it is determined by biochemical factors such as hormones or has deeper connections to social and environmental factors. It discusses whether hormone levels, such as serotonin, can be an objective measure of happiness and whether national happiness can be measured through a happiness index.   Introduction We often ask ourselves. Am I...