CategoryKnowledge

Drawing on his grandparents’ farming experiences, the author explains how nanotechnology is being applied to pesticides, herbicides, fertilizers, and more, and highlights how these technologies are making agriculture more efficient and environmentally friendly.   My grandparents in the countryside have been farming for a long time. As a child, I spent most of my time in the...

Machines are essential in the modern world, and natural frequencies and resonances have a significant impact on the stability of these mechanical systems. While resonance can cause mechanical failures and disasters, it can also be utilized to increase efficiency. Therefore, a thorough understanding of resonance is essential in engineering design.   Can you imagine life without machines...

This article explains how the abstract concept of “number” in math differs from the concrete numbers we use in everyday life. It also covers the different ways numbers are represented and their historical and cultural meanings, focusing on the decimal system, and discusses the impact of mathematical thinking on other disciplines and human thought processes.   Number is an extremely abstract...

Franz Kafka’s The Metamorphosis is a deep reflection on the reason for human existence, loss, and alienation as the protagonist turns into a worm. Relationships and belonging are important, but even in the face of loss, humans continue to live, finding hope in their inner world and in various possibilities.   What if I woke up one day to find myself transformed into a giant bug, and...

Vertical farming is a space-efficient way of growing crops that overcomes the limitations of traditional agriculture. To address the food challenges of growing populations and expanding cities, vertical farms, which grow crops indoors in controlled environments, offer significant advantages in terms of productivity and efficiency, but they also face challenges in terms of upfront costs and energy...

As a Habitat for Humanity volunteer, I realized the importance of cooperation and problem-solving during my 10 days of service in Cambodia, where I experienced construction, education, and interaction with the local people. I learned the value of personal growth and meaningful service through nightly meetings to coordinate opinions and resolve conflicts among volunteers.   With a friend, I...

This article examines how ethical standards for human experimentation have evolved, with the backdrop of medical advances gained through unethical biomedical experimentation by the Nazis and the Japanese Empire during World War II. It discusses how to balance ethical standards with scientific progress, and includes historical examples and contemporary perspectives on clinical trials.   The...

Lighting has evolved over the course of human history, from natural light to the creation of artificial light. From ancient torches to modern LEDs, various light sources have evolved and played an important role in human life, emotions, and the aesthetics of architecture.   Lighting has evolved with humanity. In the distant past, humans lived solely by sunlight, moonlight, and starlight...

Our personality and the way we live our lives are not determined by either our genes or our environment, but by the interaction of both. Genes and environment each play an important role, and their complex interactions have a profound effect on our personality and nature.   Is our personality something we are born with or something we make? If we were asked this question as children, we...

Petrochemicals play an essential role in our lives, and many of our clothes, homes, and electronics are made of petrochemical products. They are used in all aspects of life, not only as fuels but also to synthesize a wide variety of materials, and they make important contributions to advancing science and technology and solving environmental problems.   Do you know exactly what you’re...