How do vacuum flasks keep hot liquids hot and cold ones cold? – Cheeki

September 13,2024

We’ve got 99 problems and maintaining the temperature of liquids is one of them. Thank James Dewar (inventor of vacuum flasks) that we have a way of keeping our liquids at a desired temperature using vacuum flasks. You can think of a vacuum flask as a water bottle holding another bottle inside it but is separated by va.
You can think of a vacuum flask as a water bottle holding another bottle inside it but is separated by vacuum, with a supporting stand at the bottom. This basic structure provides thermal insulation or reduction of heat transfer.

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How do vacuum flasks keep hot liquids hot and cold ones cold? – Cheeki

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