Materialism: A Materials Science Podcast Episode 107: Glass Science with Schott
Jul 1, 2025
Join Sebastian Leukel, a glassmaking expert from SCHOTT AG, and Colin Schmucker, a specialist in semicon glass solutions, as they dive into the remarkable world of glass. They discuss the historical evolution of glass, from its natural origins to groundbreaking production methods like containerless melting. Discover the fascinating science behind glass properties, debunking myths and examining advancements that enhance its use in everything from cookware to fusion energy technologies. It's a captivating exploration of a material we often take for granted!
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Origins of Man-Made Glass
- Early man-made glass was often accidental, arising around 3600 BC from byproducts like metal smelting.
- Controlled glassmaking with dyeing and shaping began around 1500 BC in Egypt, improving craftsmanship significantly.
The Nanotech Lycurgus Cup
- The Lycurgus cup contains gold and silver nanomaterials that cause a striking color change under different lighting.
- It took about 2,000 years to understand this unique nanotechnology embedded in ancient glass.
Stained Glass Myth Debunked
- The myth that stained glass windows flow over centuries is false; glass is actually solid.
- Uneven thickness is due to manufacturing processes, not glass creep.