Who Invented the Thermos Flask?

Answer

The thermos flask was invented by Sir James Dewar in 1892. He was a chemist and physicist who was born in Kincardine, Scotland in 1842 and died in 1923. His first thermos was called the Dewar flask or vacuum flask/bottle.
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Ben hubberd Ben hubbard Sir James Dewar invented the vacuum flask.
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Sir James Dewar, in the year 1892. It consists of a double-walled flask with a vacuum between the walls. The walls are silvered and heat cannot be conducted across a vacuum. They
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James Dewar invented the first thermos flask, which is named after him. A Dewar Flask (n) is
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