In this blog post, we’ll examine the data storage methods and performance differences between HDDs and SSDs using scenes from the movie ‘Password’, and explore how these differences between the two storage devices might play out in real-world situations.   In the movie ‘Password’, Milo, a promising Stanford University graduate, joins the software company NURV after...

In this blog post, we will examine how fossil fuels—which have driven human life and industrial development—were formed and utilized, as well as their advantages and limitations, the environmental issues they pose, and the need for alternative energy sources.   Humanity’s Need for Energy and Fossil Fuels Physically speaking, “energy” refers to the ability to perform work. To lead more...

In this blog post, let’s explore how solar power converts sunlight into electrical energy, how it’s used in our daily lives, and what challenges must be overcome for it to become a major energy source in the future.   Fossil fuels have long been the most widely used energy source for producing the electricity we need most in our daily lives. However, the use of fossil fuels causes various...

In this blog post, we’ll take a detailed look at the main types of body composition tests and the principles and characteristics of bioelectrical impedance analysis (BIA), commonly known as “InBody.”   Every year when the New Year rolls around, many people resolve to lose weight and sign up for a gym membership. Upon joining a gym, they typically undergo a body composition test known as...

In this blog post, we’ll explore the characteristics and principles of steel, as well as why it’s used in so many different forms in our daily lives.   The Structure of Steel and the Principles of Strength Have you ever heard of the “Damascus sword”? Often featured as an item in video games, this sword is a classic example of a high-quality blade used in the Islamic world during the Middle...

In this blog post, we will examine the principles and causes of global warming, the problems it causes—such as extreme weather and rising sea levels—and the measures that the international community and individuals can take to address it.   Global warming is one of the major environmental issues facing humanity today and has become a very familiar concept to us. As the term suggests, it...

In this blog post, we’ll examine the causes of global warming and its resulting ecological, environmental, economic, and social impacts, and explore the efforts being made by the international community and individuals to mitigate global warming.   What is global warming, and why does it occur? The Earth’s annual average temperature has fluctuated over long periods due to natural climate...

In this blog post, we’ll explore the characteristics and types of stem cells—which can differentiate into various cell types—as well as the potential and limitations of stem cell-based therapies.   What diseases remain difficult to cure or have treatment limitations even with modern medical technology? There are likely many, such as cancer and HIV. Would you believe it if someone claimed...

In this blog post, we’ll examine why an altruistic life remains a valid survival strategy even today, using group projects and the free-rider problem as examples.   Group Projects and the Free-Rider Problem For college students, group projects are like a rite of passage to truly experience college life. Group projects are such an essential part of college life that it’s hard to say you’ve...

In this blog post, we’ll examine the causes of free-riding in group projects, explore long-term and short-term solutions to reduce it, and consider why it’s so difficult to prevent free-riding in the real world outside of school.   Group projects are often cited as an “example of why socialism failed.” Since everyone is evaluated based on a collective outcome, “free riders” emerge who...