Dental implants are a procedure that restores the function of a damaged tooth, and their success depends on the patient’s oral condition and health. Care before and after the procedure is important, and as the technology improves, it is expected to become a more trusted treatment. As we enter an aging population, bone health is becoming increasingly important. Dental health, in...
Car noise: how can it be controlled and even transformed into something more ‘listenable’?
Car noise is generated by the engine, tires, air resistance, and more, which can be distracting and cause fatigue while driving. To reduce it, sound-absorbing materials, sound insulation, and active noise control systems are used. Electric vehicles are quieter and generate a virtual engine sound for pedestrian safety. When you walk along a busy road, the noise from a large number of cars...
As a woman and an Asian, how does Pauline Chen balance family life with success as a surgeon?
Pauline Chen is an Asian woman who has managed to balance her success as a surgeon with family life. With her academic background at Harvard and Yale and her surgical skills, she has become a role model for many female medical students. Through her deep reflections on life and death, she emphasizes the role of a doctor and demonstrates what true dedication is. I read a book about the life...
How did the Chernobyl disaster teach us about the safety and dangers of nuclear power?
The Chernobyl nuclear disaster was a major wake-up call for humanity about the dangers of nuclear power. It sparked international debate and increased nuclear safety regulations, and was a turning point for the future of nuclear power. Since then, the safety of nuclear power and its risks have been re-examined around the world, and some countries have decided to reduce their reliance on nuclear...
How were smartphones invented, how did they become central to our lives, and what are the changes and side effects?
The invention and evolution of smartphones began with IBM’s Simon and Nokia’s Communicator line of phones, and became widespread after the introduction of Apple’s iPhone. Smartphones have transformed many industries with the advancement of communication technology and application stores, but they have also created side effects such as illegal downloads and security issues...
How has NFC technology changed our daily lives and become a secure and convenient way to communicate?
NFC technology uses near-field communication to provide a variety of convenience in our lives, such as easy payments, book borrowing, and transportation cards using smartphones. The short communication distance, high security, and two-way communication make it highly versatile, but it has yet to fully take root in society. For the future of NFC, more terminals and infrastructure are needed...
How prepared are we for the weaponization of rare earth resources, a key driver of technological progress?
The performance of modern IT devices is improving rapidly, but rare earths play an important role behind the scenes. Rare earths can significantly improve the performance of electronics, even in small quantities, and China’s monopoly on most rare earth production raises concerns about the potential for weaponization. Today’s tech devices are getting smaller and smaller, and...
Is drinking too much water really healthy? Did you know that excess water can cause hyponatremia?
Water is essential for metabolism and maintaining water balance in the body, but excessive water intake can be harmful to your health. In particular, drinking more water than your kidneys can process can cause hyponatremia, which can lead to problems with your brain, heart, and other major organs. It’s important to maintain adequate water intake. What happened to A? After...
Can a specification system be a fair and efficient hiring criteria that benefits both employers and candidates?
This article analyzes how the specification system benefits both employers and candidates, and argues that the current hiring process is a reasonable way to reduce the burden. It also addresses criticisms of the specification system, but acknowledges the correlation between specification and practical skills, and concludes that with the right awareness and improvements, it is still a valid...
How to overcome the positive effects of social media and the negative effects of privacy breaches and relationship breakdowns?
Social media has become an essential tool of the information age, connecting people around the world and having a positive impact, but it also has negative effects, such as personal information leakage and loss of relationships. In his book The Third Wave, Alvin Toffler predicted the first wave of the agricultural revolution, the second wave of the industrial revolution, and the third wave...