CategoryKnowledge

This article explains the process of creating a unique musical aesthetic that is different from Western music through the unique characteristics of the timbre, duration, and melody of Korean traditional music. It explores the depths of traditional music that preserves the independence of each instrument while achieving overall harmony.   Music is an art that is made of sound, so if the sound...

Electricity, an essential part of modern life, is produced in power plants through complex engineering principles. In particular, nuclear power plants have two types of reactors: boiling and pressurized reactors, which generate water vapor to turn turbines, which in turn generate electricity.   Electricity has become an integral part of modern life. From the appliances we use every day to...

Genetic engineering offers revolutionary possibilities for life extension and disease treatment, but it also raises ethical questions. It is important to consider the positive and negative impacts of this technology on human life, and to discuss its appropriate use and the decisions it will require from future societies.   Genetic engineering is the artificial manipulation of the genes of...

The free-rider problem in group work, a common problem faced by college students, explores how selfish behavior can sometimes be more efficient and beneficial, and suggests ways to strategically use selfishness in society.   College students have started classes. This time of year, college students are bombarded with assignments, and one of them is always group work. Group work is a pain for...

This article explains why altruistic behavior has been able to persist and evolve in human societies despite the laws of natural selection favoring selfish behavior, through the hypothesis of group selection. It discusses how human societies maintain altruistic behavior through cooperation and institutions, and how altruistic groups have an advantage in the competition for survival.   We see...

In 2017, the robot Sophia was granted citizenship in Saudi Arabia, marking the first time that advances in AI have gone beyond mere technological innovation to impact human society. As AI becomes more capable of understanding emotions and acting like humans, it raises ethical and legal questions about how we should respond to the blurring of the lines between AI and humans.   In October...

  Time is a concept deeply connected to human life, raising complex questions about the relationship between subjective experience and objective reality. Augustine philosophically explores the nature of time and discusses eternity in relation to God, but his theories have a number of limitations.   What is time? This question is one of the oldest since human thought, as time is an...

The plastic products around us are synthesized from petroleum, and catalysts play an important role in this process. Catalysts control the rate of reactions, making plastic manufacturing economically feasible, and advances in catalyst technology can contribute to environmental protection and sustainable development.   Plastic products are all around us: the PET bottle you drank this morning...

This film highlights the seriousness of the problem of sexual crimes and the current weak legal response in South Korea, highlighting the need for stronger penalties and institutional improvements to protect victims and prevent recidivism. It discusses the low arrest rate despite the rise in sexual crimes, the reliance on settlements with victims, non-prosecution, and recidivism, and the...

This article explores the impact of technological advances on human happiness. It examines both positive and negative consequences, and argues that we should reflect on the political, social, and environmental impacts of technology on our society.   All humans seek happiness and ultimately live for it, but it is questionable whether we always make choices that bring us happiness. The...