Since the industrial revolution, the consumption of fossil fuels has skyrocketed, leading to resource depletion and environmental concerns. To address this, various alternative energies are being researched, and solar cells are gaining attention. Solar cell technology is gradually improving and showing great promise as a future energy source.   The majority of the world’s energy needs...

  This article defines fossil energy, explains how it is generated, and emphasizes the importance of fossil fuels to human progress. At the same time, it raises the issue that fossil energy is a limited resource and causes environmental pollution, and emphasizes the need for a sustainable energy transition.   Definition and generalities of fossil energy The English word energy refers to...

  Radiology is improving the accuracy of diagnosis by non-invasively examining the inside of the body through technologies such as X-ray, CT, and MRI. This process plays an important role in improving the success rate of surgeries and treatments by identifying a patient’s condition in advance, and further advancements are expected to make healthcare safer and more efficient.  ...

In a chemical cell, the anode and cathode are determined by the metal’s tendency to ionize, a process that generates energy through the movement of electrons and the flow of electric current. Metals with a greater tendency to ionize are more likely to become cations, which has a significant impact on the performance and efficiency of the cell.   A chemical cell is a device that...

Mechanical engineering is applied to a wide range of fields, including home appliances, medical devices, and manufacturing, not just automobile and machine building. It facilitates our daily lives and plays an important role in social development and national competitiveness.   In what follows, I’d like to explain mechanical engineering, but first, I’d like to clear up a...

This article explores the question of whether technology is an inevitable cause of social change or a dependent outcome whose impact depends on human intentions and social characteristics. The invention of technology and the resulting social change is never inevitable, and is determined by a variety of factors in human society.   Historians often divide time periods based on major...

As the use of big data increases, challenges such as invasion of privacy, data ownership issues, and lack of objectivity in analytics arise. It’s worth discussing whether we can maximize the benefits of big data analytics without addressing these issues.   People generate huge amounts of data every day without realizing it. Facebook, one of the social networking services (SNS)...

Humans developed farming and fish storage technologies, which led to settlement and civilization. This process allowed humans to move beyond survival to dominate the planet, marking a major turning point in human history.   Today, humans, an animal that is neither large nor strong, dominate the planet. We have adapted to our harsh surroundings by using our intellect to outwit other creatures...

This article analyzes how students feel when grading papers in red and how it affects their learning, covering the positive and negative aspects of red, and discussing the effects of using other colors instead of red.   We’ve all had the experience of taking a test in elementary school and coming home with a test paper graded in red pencil. If you did well on the test, you remember...

We rely on our memories for everything we experience in life, and these memories have a profound impact on our personality, habits, and important decisions. Memories are stored in different parts of the brain, both short-term and long-term, and the process plays an important role in shaping our identity and even our social behavior.   We live our lives mortgaged to our memories. Our memories...