How to apply CSS to HTML documents There are three main ways to apply CSS to HTML documents. These are external style sheets, internal style sheets, and inline style sheets. Each method has advantages and disadvantages depending on the specific situation, and if you understand them, you can design web pages effectively. 1. External Stylesheet How to apply: An external style sheet stores style information in a separate f A cat that is both alive and dead? Schrödinger's experiment and quantum mechanics Schrödinger's cat is a theoretical thought experiment in quantum mechanics that plays an important role in understanding fundamental concepts in physics. This experiment was proposed by Erwin Schrödinger in 1935 and is used to explain the paradox of quantum superposition. In this article, we will take a closer look at the concept of Schrödinger's cat experiment, its background, an «1»
