Quartz fiber

Have you ever seen a spider web? It's made up of really thin strings called fibers. Quartz fiber is like a spider web, but it's made up of really tiny pieces of quartz (a mineral that's in rocks).

The fibers themselves are thinner than a hair on your head! Scientists use quartz fiber because it can carry light really well. This is called an "optical fiber." Think of it like a straw for light!

Quartz fiber is really important because it's used in things like internet cables and medical equipment. The fiber helps transfer information (like pictures or messages) really quickly through the internet cables. And in medical equipment like microscopes, the fiber helps doctors see things more clearly.

So even though it's just like a spider web, quartz fiber is a really cool and important tool for scientists and doctors!