CategoryOpinion

Electrochemical gas sensors generate an electrical current through a chemical reaction with specific gases to detect gas leaks and measure their concentration. They consist of an inlet, detection, and backing section, and require regular maintenance and calibration to ensure accurate measurement and reliability. These sensors play an important role in safety and environmental protection in...

College students are immersed in various tasks right after the start of the semester, and they suffer from free-riding due to inactive participation, especially in group work. To prevent this, reputational retaliation strategies, role division, and peer review systems can be introduced to strengthen cooperation and responsibility.   Right after the start of the semester, college students are...

The compilation of Goryeo histories in the early Joseon Dynasty was intended to reveal the end of Goryeo and emphasize Joseon’s legitimacy. In doing so, Taejong and Sejong sought to establish the identity of the Joseon Dynasty and emphasize the superiority of the new dynasty, which is important as a political and ideological endeavor.   The compilation of histories of Goryeo in the...

Civil engineering has developed along with the history of mankind, and various subdisciplines such as structural engineering, geotechnical engineering, and geospatial information engineering are harmoniously applied to create excellent civil structures. This has a significant impact on social efficiency and environmental sustainability.   Civil engineering has been going hand in hand with...

While traditional monetary policy seeks to stabilize prices and the economy through policy rates, financial stability has also become an important requirement due to the increasing complexity and interdependence of the financial system since the global financial crisis. To this end, macroprudential policies have been introduced, which seek to promote financial system health and achieve economic...

Internalism locates the justification of a belief in its relation to other beliefs of the cognizer, while externalism locates the justification in the cognitive process of reliability through objective evidence. This debate is at the heart of philosophical inquiry surrounding the definition of knowledge and the criteria for justification.   In the Western philosophical tradition, knowledge...

Supercritical fluid extraction technology is an innovative way to preserve the aroma and taste of sesame oil and minimize the loss of natural ingredients. It can be applied to a variety of industries, including food, medicine, and cosmetics, and is environmentally friendly and economical compared to traditional mechanical extraction methods.   Anyone who has ever been to a traditional market...

Karnak rejected as meaningless any statement that is not grammatically correct or empirically verifiable, a view that emphasized the clarity of scientific inquiry, while Rorty saw language as a product of historical contingency, with no fixed meaning or truth. These two philosophers contrast in their approach to the nature of language and truth, and offer different possibilities for philosophical...

A piano is a stringed instrument in which keys are pressed to cause hammers to strike strings, which transmit vibrations to the soundboard, amplifying the sound. Each key has an action to control the hammer, and pedals control the tone and sustain. These elements interact to create the piano’s distinctive tone.   The piano, which we often call a keyboard instrument, is technically a...

Trademark law requires a trademark to be distinctive in order to be registered, meaning that it must evoke associations of a particular good in the minds of consumers, and cannot be a common name or public mark. Nontraditional marks, such as colors, sounds, and smells, can also be protected under modern trademark law.   According to trademark law, a trademark is a sign, such as a symbol...