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When did NASA invent freeze drying?

Updated: 9/23/2023
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10y ago

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While NASA widely uses freeze drying, and it gained more of a public visibility as a result of the Space Program, the process origins actually can be traced back to the Incas in Peru. It was also widely used in WWII, as Nestle' perfected the process in 1938.

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10y ago
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Q: When did NASA invent freeze drying?
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