This section answers how glass is made. Glass is a hard, brittle, and transparent solid. About 90 percent of the glass we use is soda-lime-silica glass. It is 75 percent silica, or just plain sand.

Glass is everywhere—windows, bottles, phone screens—so common that we hardly stop to think about it. It feels so natural, yet it’s entirely man-made.

If you have ever wondered what sea glass is, how it is made, and where to find it, you're in luck. Keep reading to learn more about this unique phenomenon and how some savvy conservationists are ...

Curious Cat, an animated character, helps two children find out more about how glass is made. The children take a trip to a glass making factory and learn about the raw materials used to make it ...

The World Wide Web might sound metaphorical, but it’s actually grounded in a physical web of translucent glass filaments crisscrossing the globe. These fiber-optic cables transmit internet data ...