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 Librarian at our Rakow Research Library.
Glass that gradually shades from one color to another has ingredients such as uranium and gold, which are sensitive to heat. When part of the object is reheated, it "strikes" or changes color. Heat-sensitive glass became very popular in the late 19th century. Many companies used heat
Glass makers throughout history have gone to great lengths to eliminate all bubbles from glass. But here, we see bubbles purposefully put into the glass for their decorative effect. In this paperweight, the bubbles surround another gather of glass with twisted canes of colored glass. Watch as