Engines Podcast
Engines of Our Ingenuity 1086: An Obsession with Obsidian
Posted on · Episode: 1086 Aztec obsidian, too good to give up Today, we ask why the Aztecs didn’t make full use of metal.
Posted on · Episode: 1086 Aztec obsidian, too good to give up Today, we ask why the Aztecs didn’t make full use of metal.