There's something strange about the stained-glass windows of medieval buildings: They tend to be thicker at the bottom than at the top. Many believe this is because glass is actually a liquid that has ...

"Bulletproof" car windows are made by layering multiple materials together like glass, acrylic, and PVB. It's more accurate ...

Glass is made of sand, which is a kind of rock. But glass is transparent. We explore why! Glass is made of sand, which is a kind of rock. But glass is transparent, and rocks aren’t transparent. What’s ...

Every piece of sea glass has a story − but sea glass could be on the decline. Olga Pankova/Moment When you stroll along a beach, you may look down and spot colorful bits of worn glass mixed in with ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

When a rock hits a side window, the glass often explodes into a shower of tiny cubes, yet the same impact on a windshield ...

For many, car windshields are simply sheets of glass, easy to take for granted. However, anyone with a knowledge of cars understands how invaluable these components are. From helping you see the road ...