Which scientific principle was the key innovation behind Ruben Rausing's creation of Tetra Pak aseptic packaging in the 1950s, allowing milk to be stored without refrigeration?

Packaging innovations have transformed product preservation and distribution throughout retail history. One breakthrough technology revolutionized how liquids are stored and transported globally, creating a billion-dollar industry while addressing major supply chain challenges. Test your knowledge about this game-changing invention that fundamentally altered retail supply chains and consumer access to perishable products.

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Ultra-high temperature (UHT) processing combined with a sterile environment
Vacuum sealing with nitrogen gas displacement
Electromagnetic pulse sterilization
Cryogenic freezing and laminated paper technology