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What is electrical engineering, and how is it connected to our daily lives?

In this blog post, we’ll explore the various fields and key technologies covered by electrical engineering, as well as how it impacts modern industry and our daily lives.   The Concept of Electrical Engineering and the Structure of an Electrical Engineering Department People who are not familiar with electrical engineering often confuse this field with electronics engineering. Furthermore...

What do you learn in the Department of Materials Science and Engineering, and how can you pursue your dream of working with biomaterials?

In this blog post, I’ll share what led me to major in materials science and engineering and how my perspective on the field has evolved throughout my college years.   I enrolled in the Department of Materials Science and Engineering at Seoul National University in the 2011 academic year, and I am currently a senior. Since entering the department and studying the properties of various...

Why do prices in a capitalist economy never go down once they’ve risen?

In this blog post, we’ll explore the underlying principles behind why prices in a capitalist society don’t easily come down once they’ve risen, as well as how the value of money changes.   Why do prices only go up? In a capitalist society, we are constantly engaged in consumption. Unless we’re self-sufficient or engaging in barter, we buy the goods we need with money. Whether yesterday...

Can car noise be transformed from something to be controlled into a pleasant sound?

In this blog post, we’ll explore various technologies for controlling car noise, as well as the principles and future directions of the latest technologies designed to transform unpleasant sounds into pleasant ones.   “Vroom, vroom.” When walking along the roadside, it’s natural to frown at the noise emitted by countless cars. In fact, on roads with heavy traffic, it’s often difficult to...

If science and technology made it possible for humanity to achieve eternal life, would we be happier?

In this blog post, I’ll examine from a philosophical perspective whether humans would truly be happier if advances in science and technology made eternal life possible.   Most people have likely experienced a time when they felt sick or unwell and visited a hospital, worried that they might have a serious illness. Humans are, by nature, beings driven by the desire to survive. Based on this...

How Can Artificial Photosynthesis Transform Energy and Resources?

In this blog post, we’ll explore what artificial photosynthesis is, what its advantages are, how far research has progressed, and what challenges remain on the path to practical application.   Introduction: Resource Challenges and Solar Energy While humanity’s demand for energy and resources continues to grow, the Earth’s resources are finite. In particular, non-renewable resources such as...

How Do Banks Work? (The Hidden Mechanisms of Deposits and Loans)

Banks use deposited money to make loans, and in reality, not all of that money stays in the bank. Discover the hidden principles of the banking system, which originated with goldsmiths!   The Money Lended Out Isn’t Actually in the Bank The “reserve requirement” means that banks are allowed to lend out all but 10% of total deposits. However, for this to be possible, another前提 is necessary:...

Silver Nanotechnology: Innovation and Risks—Is This Future Technology a Blessing or a Challenge?

In this blog post, we’ll explore the innovations and real-world applications of silver nanotechnology, its potential risks, and whether this future technology will be a blessing or a new challenge for us.   These days, the term “nano” is commonly encountered across a wide range of fields. From smartphones to cosmetics, medical devices, pharmaceuticals, and semiconductors, nanotechnology is...

To what extent do genes determine phenotype, and does their influence persist even in the context of the environment?

In this blog post, we’ll examine, from the perspective of modern evolutionary biology, the role genes play in shaping phenotype and how their influence is understood in the context of interactions with the environment.   We use the biological term “gene” very frequently in everyday conversation. For example, there are countless expressions referring to genes, such as “genes for height,”...

Could Gene-Editing Technology Usher in the Era of “Designer Humans”?

In this blog post, we’ll explore what the advancement of gene-editing technology means for individuals’ lives and free will, and examine the issues surrounding “natural humans” and “designer humans” through the lens of the films ‘Gattaca’ and ‘The Truman Show’.   Advances in Genetic Engineering and the Questions Raised by “Gattaca” Genetic engineering and human...