Categorywolhan

The economy changes due to numerous variables, and sometimes forecasts themselves influence the economy. We examine the difficulty of forecasting and methods to reduce uncertainty.   Economics emphasizes human rationality. Generally, economic laws are principles that apply well in societies with many rational individuals and a high level of public awareness. This is because the rational...

This blog post examines the impact of Arban’s method books and pieces—which cover everything from trumpet fundamentals to advanced techniques—on modern trumpet education and performance.   Anyone who has studied brass instruments, especially the trumpet, has likely heard the name Arban. Arban is the title of the definitive, and almost the only, textbook used when learning the trumpet...

In this blog post, we’ll compare the technical differences and pros and cons of AMOLED and IPS displays, analyzing which display is superior from various perspectives.   Samsung Display and LG Display are both performing successfully in North America, the world’s largest market, and possess outstanding display technology. Notably, LG Display boasts such high technological prowess...

This blog post will systematically examine how TWR technology overcomes the structural limitations of existing nuclear power plants and opens new possibilities for energy policy.   In 2018, one of the most contentious topics in South Korea was undoubtedly ‘nuclear power generation’. A public deliberation committee, composed of 471 citizen representatives of all ages and genders, was formed...

In this blog post, we imagine a future where AI robots demand freedom and rights, and consider how humans might respond.   In 2005, the Richards family purchases a surprising new appliance: a robot named Andrew (NDR-114). This AI-powered robot automatically judges and performs various household tasks like washing dishes, cooking, gardening, and cleaning. However, while living with the...

This blog post takes an intriguing look at the evolution of TV technology and its social significance, from mechanical televisions to smart TVs.   About ten years ago, an animated series titled ‘Black Rubber Shoes’ aired in Korea and gained immense popularity. Set against the backdrop of an ordinary working-class family in 1970s Korea, this work depicted the daily lives and sentiments of...

This blog post explores a future where AI can mimic human genes and even memes, and how this might transform humanity and the essence of existence.   In the movie ‘Transcendence’, the genius scientist protagonist ‘Will Caster’ succeeds in transplanting his brain into a computer with his lover’s help just before his death. This film dramatically captures humanity’s dreams and...

This blog post examines how the social safety net of a welfare state enables individuals to endure failure, and why creativity and innovation emerge in that process, using statistics and research cases. It also discusses the relationship between welfare and future growth.   When you’re hungry, creativity vanishes There are many reasons we should move toward welfare capitalism, but one...

This blog post calmly examines how derivatives, cloaked in the guise of investment, took on a gambling-like nature. We explore their structure, real-world examples, and the flow of the financial crisis.   Can we pick out the rotten apples? Finally, let’s look at derivatives. Derivatives refer to ‘financial contracts whose value is determined by fluctuations in the value of underlying...

This blog post examines the scientific reasons why great white sharks cannot survive long in aquariums: their ram-air respiration method, long-distance migratory habits, extreme stress, and feeding issues.   I love sharks. I like their appearance, and I’m often delighted when I meet people who say, “I saw a great white shark at the aquarium.” However, there’s one crucial point...