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Important Note

The Corning Museum of Glass is temporarily closed as we do our part to limit the spread of COVID-19. 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.

Prince Rupert's Drop and Glass Stress

Theoretically, because of the nature of its atomic bonds, glass should be about five times as strong as steel. However, glass tends to have less strength than theory would suggest. One of the main reasons for its loss of strength is surface and internal stress. If glass is cooled too rapidly, high