CategoryOpinion

The automotive industry is rapidly changing, with global automakers like Tesla and Hyundai developing electric and autonomous vehicles. These technologies are being seen as key to solving environmental and social problems, such as reducing air pollution and preventing traffic accidents.   Tesla Motors, a famous American electric car company, produces only electric cars. Tesla’s cars...

In the story of Cinderella, the glass slipper was a tool for the prince to find his ideal girl, but in real life, obsessing over an ideal and trying to fit others into that mold can lead to tragedy. Having an idealized version of yourself and others can lead to bondage, which must be overcome by the principle of non-possession.   When you think of Cinderella, you probably think of destined...

Since the Industrial Revolution, human technology has advanced rapidly, and our daily lives are filled with machines powered by engines. This article explains what engines are, what they are, and how they are used in real life, and introduces the differences between internal and external combustion engines.   In 1776 AD, the course of human history changed. Engineer James Watt invented the...

Amid fears of oil depletion, shale gas has emerged as an alternative energy source, with production surging in the United States. While shale gas offers economic benefits, it also brings with it environmental concerns that are driving the transformation of energy markets. The balance of global energy markets is set to shift dramatically, and it’s important for governments to respond.  ...

Coke cans are made of aluminum and juice cans are made of iron because the two materials have different yield strengths and tensile forces. Aluminum stretches easily, making it ideal for thin cans, while iron is stronger but harder to stretch and is used for thicker cans.   Coke cans and juice cans are made of different metals. Soda cans are mainly made of aluminum, while non-carbonated...

Umami is the fifth taste, and it’s caused by an amino acid called glutamic acid. Many people mistake MSG for an artificial additive, but it’s a natural seasoning derived from nature. When used properly, it is healthier than salt and has been recognized as a safe food additive.   The word umami is ubiquitous in modern food culture. Many people use the word, but unfortunately, not...

This article explains rotary drilling technology, which uses a similar principle to piercing paper with an awl to drill thousands of meters underground. It details the process of drilling through strata using compressive and rotational forces through equipment such as drill strings, mud circulation systems, and mud motors to overcome various underground obstacles.   If you’ve ever...

Unlike in childhood, when milk was easily digested, many people become lactose intolerant as adults. This is caused by a lack of the enzyme that breaks down lactose, and lactose-free milk solves this problem. Explain the causes of lactose intolerance and how to treat it.   Have you ever seen a product called “easy-to-digest milk” and wondered why it has this name? Thinking backwards, is milk...

Biomedical materials are used in the pursuit of a disease-free life through organ transplantation and replacement, and include a variety of materials such as polymers, metals, and ceramics. With their biocompatibility and physical properties, these materials can replace or complement damaged tissues in the human body to extend life and contribute to medical innovation through personalized...

The Samsung vs. Apple court case highlights the importance of software patents to the IT industry, and the balance between intellectual property protection and technological advancement is a key issue. However, software patents have been criticized for stifling technological advancement, reinforcing a conglomerate-centric structure, and increasing disputes.   The court battle between Samsung...