CategoryOpinion

  This article explains the concept of degrees of freedom to predict robot movements and how they can help robots operate efficiently in a variety of environments. Degrees of freedom are determined by the number of joints and links in a robot and can be optimised in robot design to control it to perform complex tasks.   How robot movement and degrees of freedom relate On 11 March 2011...

  The Mpemba effect is the phenomenon where hot water freezes faster than cold water, and the secret lies in the hydrogen bonds between water molecules and the release of energy. The phenomenon has been observed since ancient times, and while modern scientific research has unravelled its principles, it still leaves many questions unanswered.   The hotter it gets, the faster it freezes:...

  Li-Fi is a technology that uses visible light to transmit data, offering speeds up to 10,000 times faster than traditional wireless communications due to its wider frequency band. It has advantages such as energy efficiency, security, and solving data throughput problems, and is being touted as the next big thing in communications.   Data transmission using visible light Li-Fi is...

  This article explains the principles of version control systems, which are important in software development, and introduces how Git’s content-address file system efficiently manages the history of files. It also covers how commits and references make it easy to track and recover changes to files.   Principles of software versioning with Git Modern software development is all...

  This article explains the definition and characteristics of embedded systems used in smartphones, and how they play an important role not only in smartphones, but also in automobiles, medical devices, industrial robots, and many other fields. Advances in embedded systems have expanded the possibilities for low-power, high-performance devices and are expected to be used in many more areas...

  This article addresses the problems that come with the increased efficiency of industrial division of labour, analysing in particular the causes of declining worker job satisfaction and social conflict. It also highlights the need for communication and understanding to address these issues, and provides a balanced view of the advantages and disadvantages of the division of labour.  ...

  This article explores whether the ‘law of attraction’ introduced in The Secret is scientifically possible through the theories of quantum physics. Focusing on David Spring’s theories, it explains the scientific basis for the claim that the mind can create reality and discusses its feasibility.   Opening remarks Do you remember The Secret, the book that was a long-running...

  As artificial intelligence develops, the question of whether it should be granted the same rights as humans arises. Human dignity comes from uniqueness and uniqueness, but AI is replicable, so it may be inappropriate to grant it the same rights as humans.   Do created intelligences have rights? There is a word called “artificial intelligence”. In English, it’s spelled...

  This article explains how dimples on the surface of a golf ball reduce air resistance to improve distance. We will analyze the scientific principles of how dimples increase lift and send the ball farther through flow control and Bernoulli’s theorem.   If you look closely at a golf ball, you’ll notice that instead of a smooth spherical surface, it has small indentations all...

  Using cloud storage instead of USB makes it easy to store, secure, and access your work from anywhere, anytime, and on any device. It’s also great for sharing and collaborating, so you get the best of both worlds: convenience and efficiency.   The invisible storage cloud storage story Today is the day of your big presentation. You rush to the lecture hall with your presentation...