Business History War, Exploration and Beer: How the Tin Can Changed the World
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Feb 25, 2026 They trace how military prizes and Appert’s experiments birthed food preservation in cans. Metalworking and industrial scaling turned cans into life-saving supplies for explorers and soldiers. Branding, scandals, and inventions like the can opener and stay-tab reshaped trust and convenience. Technical fixes even solved the tricky problem of canned beer.
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How a Candy Maker Invented Canning
- Nicolas-Francois Appert solved large-scale food preservation by trial and error, sealing jars full of food and boiling them to eliminate air and spoilage.
- He spent a decade experimenting with bottles, jars, sealing methods and cooking times, then demonstrated success on a four-month naval voyage in 1806.
Scale The Prototype Before Expecting Mass Adoption
- Don’t stop at a technical prototype; scale requires manufacturing, distribution and cost reductions to reach mass markets.
- Brian Duncan turned Appert's lab breakthrough into a global industry by inventing factories and marketing to navies and explorers.
Cans Saved Arctic Explorers Four Years Later
- Arctic explorers survived on tins left by earlier expeditions: HMS Fury's abandoned cans were found four years later and saved John Ross's crew.
- The Science Museum still displays one of those cans; in 1930s tests its meat was in perfect condition and eaten by lab animals.