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The Background of Multi-Core Technology and the Limits of Parallelization: Why 1+1 Doesn’t Equal 2

This blog post focuses on the background of multi-core technology and the thermal and parallelization limitations it faces.   Introduction Terms like “dual-core” and “quad-core” are now ubiquitous in computer advertisements. Collectively, these are referred to as “multi-core,” where “core” refers to the processor that performs the computer’s core functions (computation and control). In the...

The Difference Between Digital and Analog, and How Hard Drives Work

In this blog post, I’ll explain the difference between analog and digital, as well as how hard drives store and read data, in an easy-to-understand way.   The Difference Between Digital and Analog Just looking at them evokes a strong sense of nostalgia: LP records, videotapes crammed into the cabinet under the TV, and dozens of encyclopedias that made you feel smarter just by having them on...

1 Year, 10 Months, and 7 Days of Military Service: Training, Leadership, and the Experience of Isolation from Society

In this blog post, I will reflect on my 1 year, 10 months, and 7 days of military service, covering training and self-reflection, the social structure and leadership experiences within the barracks, and the emotions I felt while cut off from the outside world.   Military Experience and Self-Reflection People often say that every man should serve in the military at least once. Those who have...

Is Rape an Evolutionary Adaptation? An Analysis Through Adaptationism and Counterarguments

In this blog post, we will examine whether rape can be viewed as an evolutionary adaptation, comparing the definition of adaptation with the key arguments put forward by adaptationists and non-adaptationists.   The Concept of Adaptation and Arguments Surrounding Rape An adaptation is a product of natural selection; it refers to a trait that is advantageous for survival and persists over...

Reasons for Choosing and Reflections on the “Nature via Nurture” and “Nature vs. Nurture” Debate

In this blog post, I will summarize the development of the “Nature vs. Nurture” debate, my research findings, and my personal reflections, drawing on relevant works such as “Nature via Nurture.”   Background of Topic Selection My decision to choose “Nature vs. Nurture” as the topic for this blog post stems from a core liberal arts course I took at school called “Modern Society and Psychology...

How FDM 3D Printers Work and the Characteristics of PLA and ABS Filaments

In this blog post, I will explain the operating principles and advantages of FDM 3D printers, with a focus on the characteristics of PLA and ABS, two of the most common filament materials.   Overview and Use Cases of FDM 3D Printers Earlier this year, a hospital in Seoul used a 3D printer to recreate the kidney tissue and cancerous tissue of individual kidney cancer patients to plan...

The 21st-Century Gold Rush: Shale Gas—Concepts, Extraction Technologies, and Economic, Political, and Environmental Impacts

This blog post provides a comprehensive overview of shale gas formation and extraction technologies, the industrial resurgence in the United States and the responses of Obama and Putin, technological monopolies, examples of regional economic recovery and concerns about environmental pollution, structural changes in the international energy market and regulatory and policy responses, as well as...

Principles and Applications of 3D Printing: The Future of Additive Manufacturing—Building Layer by Layer Like LEGO

In this blog post, we’ll explore the operating principles and materials of 3D printers, as well as their potential applications in the medical and industrial fields, starting from the sense of “free creativity” we experienced with LEGO as children.   The Principles of 3D Printing and Additive Manufacturing Everyone has likely played with LEGO as a child. LEGO, one of the most popular toys...

Why do banks create money that is neither visible nor tangible?

How do banks create invisible money? Let’s take a simple look at the process of money creation through the nature of money, credit, and the role of the reserve requirement ratio.   Money is credit! Why must the money supply increase? And “how” can the money supply actually grow? To unravel this mystery, we must examine the concept of “deposits and loans,” something everyone has experienced...

What role do banks play, and what impact does a bank failure have on the economy?

Banks are vital financial institutions that hold funds and facilitate the smooth flow of money through lending. However, if a bank fails, it can destabilize the financial system and cause a major shock to the economy as a whole.   Are banks the heart of the economy, or a ticking time bomb? On March 10, 2023, Silicon Valley Bank (SVB) in the U.S. went bankrupt. This was the second-largest...