CategoryOpinion

Calories are a measure of the energy in food and play an important role in weight management, but relying on simple calorie counts can lead to poor eating habits. It”s important to maintain a balanced diet that takes into account a variety of nutrients.   When we buy a burger, eat a meal at school or work, or even order a pizza, we see calories on the menu, not just the name of the...

When Apple introduced the iPad in 2012, it revolutionized users’ lives through touch technology. It utilizes capacitive touch to provide intuitive, fast responses and completely changed the way we use computers. Touchscreen technology, based on simple principles, is used in a wide variety of tasks today, and the iPad is a prime example.   As long ago as 2012, Apple surprised us again...

Tooth decay can be hard to recognize because the early symptoms are subtle, but if left untreated, it can lead to serious toothaches and health problems. It’s important to practice good dental care and regular dental checkups to prevent cavities and treat them early.   We’ve all been to the dentist at some point in our lives. The reason for this is probably tooth decay. Many of...

This article explains how the transportation cards we use every day work and the RFID technology used in them. It will cover how RFID uses electromagnetic induction to transmit data contactlessly and is used in a variety of fields, including public transportation, as well as logistics and payment systems.   We often use public transportation to move around the city. We pay for each trip with...

Invisibility cloaks are becoming a reality thanks to advances in metamaterials. Metamaterials with negative refractive index have been able to bend light to hide objects, and the recent emergence of smart metamaterials and memory metamaterials are playing an important role in the commercialization of invisibility cloaks.   The best-selling Harry Potter series, which has also been turned into...

Concerns that expanded healthcare will lead to moral hazard and laziness are pitted against the argument that it is an essential policy to ensure people’s right to health. While the example of Cuba shows that healthcare programs can be successful, there are also practical limitations, such as the difficulty of forcing individuals to make excessive sacrifices in a capitalist society.  ...

GPUs are parallel processing units that perform high-end computations and are used in a variety of fields, including game graphics. Advances in GPU technology are enabling more realistic graphics and faster computation speeds, and are being applied to a variety of devices, including smartphones.   As the gaming market has evolved in recent years, so has the technology involved. If you look...

Global Positioning System (GPS) is a technology that uses satellite signals to pinpoint your location on Earth, and it has become an essential tool for everyday life and a wide range of industries. Currently, GPS is used in many areas, including car navigation, agriculture, and autonomous vehicles, with more applications expected as the technology evolves.   The Global Positioning System...

A wants to design a sports car with a luxurious look, a masculine engine sound, and comfortable seats. However, he has difficulty translating abstract emotions into concrete realizations. To solve this problem, he uses emotional engineering to analyze consumer sensations and find ways to translate them into concrete design elements.   Imagine that one day, A is designing a sports car. He...

This article describes the evolution of mobile communication technology from the first generation (1G) to the fourth generation (4G) and the resulting changes in user experience. It covers the evolution from analog communications in 1G to high-speed data transmission in 4G, and introduces the differences and key features of each generation of technology, especially the technological innovations...