Stress relief.

Advanced Materials & Processes,  January, 2004  

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THE TIN CAN The can's distinguished history began in 1795 when Napoleon famously noted that an army "travels on its stomach." To be able to feed its soldiers, the French government offered a prize of 12,000 francs to anyone who could invent a method of preserving food. A Parisian named Nicholas Appert worked on a solution for 15 years, and finally came up with the idea of partially cooking the food, sealing it in bottles with cork stoppers, and immersing the bottles in boiling water.

He was awarded the 12,000 francs in 1810. That same year, Englishman Peter Durand ...

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