The addictive nature of marijuana and its negative effects, especially on young people, cannot be ignored. For the health of the country and the future of young people, the legalization of marijuana is justified, and a hasty legalization could lead to a number of social problems.   In recent years, drug crimes have become more sophisticated, and the legalization of marijuana is an ongoing...

The dimples on the surface of a golf ball are more than just a design feature, they play an important role in the ball’s distance. The dimples hydrodynamically reduce air resistance, delay flow separation, and reduce pressure differentials. This allows the ball to fly farther and more steadily, and the difference in distance is nearly double when compared to a smooth ball.   Anyone who...

Cancer is a malignant tumor that occurs when cells in the body mutate and divide indiscriminately, destroying surrounding cells and is the number one cause of death. Thanks to advances in radiation therapy and chemotherapy, cancer survival rates have increased, but side effects remain a major challenge. New treatments, such as targeted therapies, are being developed, but they are not effective...

With nutritional imbalances and a growing focus on healthy eating in the modern world, this article compares vegetarianism and meat-eating, and explains that from a nutritional perspective, eating meat in moderation can provide more balanced nutrition than a vegetable-only diet.   In the past, humans were severely undernourished. Prior to the development of agriculture, humans primarily...

War has caused great human suffering, but it has also led to advances in science and technology. However, it raises the question of whether the advancements brought about by war are really beneficial to humanity and whether we need to develop in a more peaceful environment.   We can all agree that war is morally wrong. The indiscriminate brutality of war – the infliction of suffering...

Shape memory alloys are metals that, after being deformed by an external force, return to their original shape at a certain temperature. These metals are mainly alloys of titanium and nickel, and are used in various industries such as firefighting suits, eyeglass frames, and medical devices due to their resilience and light weight.   Shape memory alloys have been the subject of many...

The depletion of energy sources is inevitable, but alternative sources such as shale gas and biomass are emerging. However, they don’t solve the problem of environmental pollution. Sustainable sources like solar energy, along with technological advancements, will ensure humanity’s survival.   Energy is an essential part of our lives. We use energy from oil to drive our cars, gas...

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...