Warning message

Important Note

The Corning Museum of Glass is temporarily closed as a precautionary measure for public health and safety. All previously scheduled classes, events, and programs are cancelled until further notice.

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.

Reflections on Glass: Telescope Mirrors

I contrived heretofore, a perspective by Reflexion.       — Sir Isaac Newton, c. 1668 The refracting telescope gave astronomers their first up-close glimpses of the heavens. Then, it began to frustrate them. At higher magnifications, the instrument’s glass lenses produced distorted images.