Although 70% of the earth's water is covered by water, water is still a valuable resource, so many people do not have access to clean drinking water. But no matter where you are, there is actually an invisible source of water. Indeed, it is in the ordinary field of view, but it is invisible to the n...

Over the past few decades, there has been much international discussion about "what is water" and the meaning of water, and many articles and writings have been published on this topic, such as Vanonica's "The Meaning of Water" and Linton's "What Is Water" and other influential works. The reason for...

Facial recognition technology has become a pivotal element in modern security systems and smart home innovations. From unlocking your smartphone to controlling access in secure buildings, facial recognition cameras are increasingly prevalent. But what exactly do these cameras look for when identifyi...