The can opener was invented 48 years after the can
Recommended for Middle Grades
Cans are very useful today. They help us store fruits and vegetables for a very long time. But when and how was it invented?
In 1810, scientist Nicholas Appert found that food stayed fresh for long periods if you could seal it tightly in a container (in his case a glass jar) and then heat it. Later that year, another inventor, Peter Durand, created the world’s first can made of iron and tin. Combined with Appert’s sterilization method, food preservation for long periods in cans became possible. This is how cans were invented to store food.
But, opening cans was another difficulty. The early cans were far too thick and heavy. Hammers were often used to break them open.
The first can opener was an American invention. It was invented by Ezra J. Warner in 1858. It looked like a scary weapon and was widely used by the US military at that time. This was 48 years after the can was invented.
The modern can opener
However, the can opener that we are familiar with today was invented only in 1870. This is 60 years after the invention of canned food, It was invented by an American, William Lyman. Thanks to him, today, we can easily open cans at home.
What are cans usually made of?
Today, most cans are made of aluminium metal.
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