The dangers of global warming are scientifically proven, and the resulting sea level rise and extreme weather events are becoming more frequent. However, many people only superficially recognize the seriousness of the problem and are putting off taking action to reduce greenhouse gases because they don’t see an immediate impact.   People don’t take global warming seriously these...

This article discusses the human tendency to want recognition when doing good deeds, even though we shouldn’t expect anything in return. It discusses the beauty and value of secret good deeds, emphasizing that the true value of a good deed is not the recognition, but the motivation that leads to other good deeds.   In life, there are times when you can help someone who really needs it...

Self-driving cars utilize advanced technologies such as cameras, radar, and GPS to drive themselves and provide features such as collision avoidance, parking, and route navigation. However, technical errors, legal issues, and concerns about hacking will limit their popularization.   People are very interested in self-driving cars. How can a car drive itself? Self-driving cars are one of the...

Unlike cell phones of the past, smartphones have gone beyond making calls and sending texts to acting as personal computers and have significantly changed our daily lives. With the ability to add various functions through apps, it has become an important tool in many aspects of the economy, society, education, and more, enriching our lives.   This is the age of the smartphone. In the modern...

Did human language evolve by natural selection or was it shaped by the development of intelligence and the brain through social conventions? This article challenges Steven Pinker’s theory of linguistic evolution and argues that language is not the result of simple evolution, but a complex system that is the result of a combination of intelligence and social factors.   In nature, humans...

Mechanical engineering is based on a variety of mechanics, including thermodynamics, solid mechanics, fluid mechanics, and dynamics, and has a profound impact on the machines and technologies we use in our daily lives. From automobile design to various advanced technologies, mechanical engineering makes our lives easier by increasing efficiency and safety.   “You only sound as good as you...

The origin and evolution of life has long been debated, and natural selection and gene drift are considered to be the primary mechanisms of evolution. Natural selection is the process by which individuals with traits that favor survival and reproduction gradually increase, while gene drift is the phenomenon by which the proportions of traits change due to chance factors. Through these mechanisms...

The Internet of Things (IoT) is being touted as a technology that will make life easier through the networking of things, but there are still many technical and security issues to be resolved. While IoT has great potential for success, it’s not currently a guaranteed commercial success like previous buzzwords.   When you think about the future, most people probably have a slightly sci...

Search engines quickly find information related to the words you type in from pre-indexed web pages. Page ranking algorithms are used to place important webpages at the top, and various techniques are used to optimize search results to increase user satisfaction.   The internet is exploding in size every year, and it’s estimated that by 2024, search engines will have found nearly 70...

Using the virtual reality of the movie The Matrix as a backdrop, discuss why we choose virtual worlds over reality. If sensation and perception are interpreted the same in the brain, it is argued that there is no intrinsic difference between the real and the virtual, and that we need not choose the real just because it is ‘real’.   Imagine the following situation: everything you...