Eastern thought emphasizes the spirit compared to materialistic ideology, and among them, there is a book that expresses deep agony about the content of the Book of Changes, which can be said to be a representative book of Eastern thought,…

Hydrogen (H2) is the atomic number 1, and it is the simplest form with only one electron circling around the nucleus. It was the first element created after the Big Bang when the universe was born, and it was the…