5 AMAZING things you didn’t know about glass

We interact with glass every day.  Yet, glass is far more fascinating then you can imagine. Here are 5 interesting facts about glass that you may not know.

1. The oldest examples of glass are Egyptian beads dating from 12,000 BC.

The technology for glass bead making is among the oldest of human arts.  Glass takes tens of thousands of years to break down. Glass will stick around long after most things decay.  Beads found at archeological sights are evidence humans worked with glass before they had written language.

2. Glass is made mostly of sand.

By combining other minerals with the sand, different colored glass can be created.

3. Obsidian is produced when lava from a volcano cools rapidly.

Obsidian is a natural glass found inside volcanoes. It is produced when felsic lava extruded from a volcano cools rapidly.  With minimal crystal growth, it takes on the form similar to glass.

4. Glass is not solid when cooled.

Solid glass forms what known as an “amorphous solid”. Its atoms to continue moving even when cool.  People debate if glass is a solid or a liquid because it takes on the properties of liquid even in its solid state.

5. Smartglass is a new type of technology that brings glass and technology together.

Dynamic switchable windows or, smartglass windows, are installed in multiple new construction projects. Eyrise smartglass is a new generation of glass that allows a user to make windows solar shaded with a touch of a button.

Almost a quarter way through the 21st century, there are new innovations every day.  Glass will always be with us.  It will be interesting to see what we humans do with glass in the next 25 years.

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