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Tektites: Glass from Cosmic Impacts episode artwork

Mar 10, 2026 5 min

Tektites: Glass from Cosmic Impacts

from Intellectually Curious Hosted by Mike Breault

Explore how hypervelocity impacts flash-melt Earth rocks into aerodynamic glass, then cool into tektites within strewn fields. We’ll unpack the isotopic fingerprints that prove a terrestrial origin (not lunar) and the physics behind teardrop- and dumbbell-shaped glass. Plus, surprising stories like emus using impact glass as gizzard stones, and what the Australasian field’s undiscovered crater means for our planet’s hidden mysteries. Note: This podcast was AI-generated, and sometimes AI can make mistakes. Please double-check any critical information. Sponsored by Embersilk LLC

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Tektites: Glass from Cosmic Impacts

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This episode was published on March 10, 2026.

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