If you lived in ancient Persia, you could do a lot worse in trying to cool things down than by building a yakhchāl. Today we break down how the early fridges worked.
Stuff You Should Know
2,700 clip(s)
Selects: Star Wars Holiday Spectacular
SYSK's 12 Days of Christmas… Toys: What Makes a Must-Have Christmas Toy?
SYSK's 12 Days of Christmas… Toys: How Play-Doh Works