Glass is such an interesting material. It's really hard, but yet, it can shatter easily if you strike it the right way. Heat passes right through glass, but there are plenty of ways to change that, such as adding a layer of plastic over the glass or coating it with a reflective spray. The glass industry has come up with all sorts of unique ways to deal with the shortcomings of glass so that its advantages can really shine.
Since everyone uses glass in some way in their life, it only makes sense that you'd want to know more about glass. Reading here can provide you with the knowledge you seek.