The transparency of materials has to do with their molecular state. Discover how silica and heat produce the transparent material we call glass in this episode of BrainStuff.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

BrainStuff Classics: Why Are Some Americans Cancelling Columbus Day?
07:16

American Versus British English: What Are Biscuits, Muffins, and Pudding?
09:51

How Do Sunspots Work?
14:22