When building a house in Minecraft, you need more than building blocks like stone or wood. A proper house has windows — and the best way to make windows is to use glass. It doesn't take much to make ...

The best way to understand glass is to understand how it is made. The first step to make glass requires heating up a mixture of minerals – often soda ash, limestone and quartz sand – until they melt ...

Humans have been chemically modifying their world for far longer than you might think. Long before they had the slightest idea of what was happening chemically, they were turning clay into bricks, ...