CategoryOpinion

This article explores the legitimacy of monogamy and the social acceptability of second marriages, analyzing the meaning of marriage and family from a capitalist and democratic utilitarian perspective.   Not long ago, South Korea was abuzz with news about the abolition of adultery. The Constitutional Court ruled that it was unconstitutional for the state to punish adultery by law, arguing...

This article explains human altruistic behavior with the repetition-reciprocity hypothesis and explores the reasons and limitations of why people still follow social norms in situations where this hypothesis does not apply.   In the movie Titanic, the male protagonist, Jack Dawson, sacrifices himself to save the woman he loves when the ship he is on sinks. Most people who see this scene will...

Global warming is the rapid increase in temperature since the late 19th century that most experts agree is caused by fossil fuel use. However, some argue that warming is a natural cycle and that its severity has been exaggerated, and the debate continues.   According to the dictionary definition, global warming is an increase in the average temperature of the Earth’s surface. While...

In 2014, a national audit in South Korea raised concerns about the safety and distribution of GMO foods. However, the negative effects of GMO foods have not yet been scientifically proven, and the need for GMO foods to solve the food shortage is emphasized.   On October 7, 2014, a national audit by the Korean Ministry of Food and Drug Safety pointed out that it is difficult for consumers to...

Modern society is deeply dependent on petrochemicals, especially oil as a fuel, which contributes to air pollution and resource depletion. As an alternative, biomass energy is gaining traction and is showing promise as a sustainable energy source for the future, thanks to its carbon neutrality and renewability.   Stop what you’re doing and take a look around. The clothes you’re...

The energy we use comes from the sun, which generates energy through nuclear fusion. Attempts to harness nuclear fusion on Earth are underway, and tokamak devices are exploring the possibility of providing unlimited energy in the future.   Where does the energy we use come from? Earth gets energy from sunlight to circulate water, store it as heat in the ground, and enable plants to...

  Virtual reality is rapidly advancing in a variety of fields, from movies and technology to everyday life, and it’s becoming the next platform to deliver more sophisticated and immersive experiences, especially when combined with CAD.   How far has virtual reality come? There was an unexpected guest in Hall 3 of the Mobile World Congress (MWC) exhibition center in Barcelona...

Advances in embedded systems are ushering in the era of the smart home, transforming our everyday lives. Combined with AI, this technology will herald new innovations, such as personalized services, and will enable a smarter future.   A cell phone is exactly what it sounds like: a phone you can carry around. But beyond its primary purpose of making phone calls, people use cell phones to take...

Conserved physical quantities do not change over time, and they are essential for quantitatively describing the laws of nature. As physics evolves, the possibility of discovering new conservation laws is constantly open.   There are many physical quantities in the world that can describe various natural phenomena, such as the properties and states of motion of many objects, and scientists...

Upper extremity strength aids are devices developed to help people with arm muscle weakness. They come in two types, passive and active, and help users move their arms freely in a variety of situations. The device can be used in a variety of fields, including logistics workers and dentists, as well as the disabled and elderly, and has already been commercialized overseas, but is still under...