Eli5: How did people make and keep ice in medieval times, and how do we manufacture ice cubes now ?
In: Technology
You’ve gotten a few answers so let me fill in some gaps:
Up until modern refrigeration, ice was harvested (like in the opening scene of Frozen) and transported to wherever it was needed. Obviously moving ice is hard so to insulate it, the ice was wrapped in all sorts of things like animal fat, straw, or just more ice!
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