Warning message

Advance tickets required. Face coverings are required for all visitors, even if vaccinated. Learn more.

All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Glass Question at our Rakow Research Library.

On a Thread of Glass: Optical Fibers for Communication
Article

I have heard a ray of the sun laugh and cough and sing!     — Alexander Graham Bell It was a bright idea: use sunlight to transmit the human voice. In 1880, American innovator Alexander Graham Bell tried it, using a thin, flexible mirror to reflect a light beam onto a distant receiver. His voice

A Break with Tradition: Fused Silica
Article

After you see something work, then you realize that it’s not so complicated after all.      — J. Franklin Hyde It’s exquisitely pure and remarkably transparent. It expands and contracts very little with changes in temperature. It is the simplest of all glasses, yet for years it was nearly