Modern educational methods

There is a lot of talk about modern education, and what is meant by educational methods at the time of talking about them is that they are modern because they are contemporary, and they may not be so if they become obsolete, not only due to the passage of time but also to the discovery of newer theories, so the methods that were modern become old, but there are methods and methods. It does not become obsolete no matter how many years pass. It was new when it was followed, and it remains so ...