Interesting

The invention of the can opener: from 0 to functional in 100 years

I was listening to a podcast recently1 and they were discussing the very unglamorous can opener. Perhaps unglamorous, but necessary. In 1795, Napoleon offered a prize for anyone who could develop a better preservation method for food for his army. The initial solution took 15 years and was essentially canning, but in glass jars… not …

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