How can I measure thermal expansion?

Have you noticed thermal expansion measurements on your clay or glaze recipes? If so you might be wondering what those measurements mean, and how you use them to predict glaze fit on a clay body. This week the gang discuss thermal expansion and why those numeric values aren't always so helpful. They also answer a listener question about glazes with rare earth elements. Do you have questions or need advice on glazes? Drop us a line at [email protected] and you could be featured on an upcoming show.   This week's episode features the following topics: Thermal expansion, glaze fit, clay body, rare earth elements, Praseodymium, Neodymium, Erbium Today's episode is brought to you by Cornell Studio Supply and the Rosenfield Collection of Ceramic Art.