This blog post examines the technological evolution of the fire-resistant suits used by firefighters and considers whether societal attention and investment in them are adequate. Fire-resistant suits are garments designed to block fire. Firefighters must rush into flames to save lives in extreme environments, making firefighting suits more than just protective gear—they are essential life...
This blog post explores the influence of the tuning fork’s invention on music and science, and examines the origin of the 440Hz standard pitch. A tuning fork is made by bending a metal bar of uniform thickness into a U-shape and firmly welding a metal pillar to its lower end. This device produces a sound of a specific frequency when struck with a small hammer. Generally, the smaller...
In this blog post, we examine how accurate oil depletion predictions are and explore how the R/P ratio and technological advancements impact oil reserves. When exactly will oil depletion occur? Many people likely expect oil to run out in roughly 50 years, based on various media and sources. This would mean a world without oil arriving around 2075, and the depletion date predicted 50 years...
This blog post explores the principles behind servers operating stably without interruption 24/7, 365 days a year. Discover how hardware and software technologies enable uninterrupted service. Many internet services are actively operating and developing these days. Representative internet services include social networking services like Facebook and Twitter. These services provide users...
This blog post examines why 20th-century abstract painting in Western art rejected realism and sought a new path. Explore the historical context and artistic shifts together. Entering the 20th century, Western art saw a pronounced trend toward abstract painting, which emphasized the formal qualities of painting over the realistic depiction of subjects. The formal elements of painting can...
This blog post examines how the Industrial Revolution dismantled traditional communities and led to the alienation of individuals. We explore the changes in social structure and their impacts in detail. The Industrial Revolution that occurred in Britain around the 1760s Around the 1760s in Britain, technological innovation was accompanied by a transformation of social and economic...
This blog post explores how resistant maltodextrin delays sugar absorption to mitigate post-meal blood sugar spikes and aids diabetes management. According to the International Diabetes Federation (IDF)‘s 2021 ‘Diabetes Atlas’ 10th Edition, approximately 537 million adults aged 20-79 worldwide have diabetes, representing about 10.5% of the total adult population. This upward trend is...
In this blog post, we’ll look at the structural reasons why banks recommend funds with fees that outweigh their returns, highlighting examples of fund risks, hidden costs, and pitfalls of return claims, and outline the criteria investors should look for. Funds are investments, not savings The first “fund” in Korea dates back to May 1970, when the Korea Investment Development...
This blog post examines whether a rising exchange rate directly signals a crisis for the Korean economy and calmly explains how exchange rates, base interest rates, and government policies interact. Does a rising exchange rate really shake the economy? From summer 2022 to fall 2023, the won-dollar exchange rate surged significantly. While exchange rates are inherently volatile indicators...
This blog post begins by exploring why the income of salaried workers is called a ‘glass wallet’. It then examines the optical illusions created by averages and statistics, and discusses the right perspective for reading financial management articles. The Story of Our ‘Glass Wallets’ From here on, we’ll focus on the story of those within households who sustain their livelihoods...