Skeptoid #326: The Mystery of the Vitrified Forts
Skeptoid - A podcast by Brian Dunning - Tuesdays
Some 60 ancient stone forts in Scotland have vitrified walls, with the stone melted into glass. Here's what we know.
Skeptoid - A podcast by Brian Dunning - Tuesdays
Some 60 ancient stone forts in Scotland have vitrified walls, with the stone melted into glass. Here's what we know.