DiscoverCuriosity Fuel - Daily stories. Five-minute facts#10 The Physics of a Thermos: How a Vacuum Flask Really Works
#10 The Physics of a Thermos: How a Vacuum Flask Really Works

#10 The Physics of a Thermos: How a Vacuum Flask Really Works

Update: 2025-08-19
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It's a silent hero of our daily lives, keeping drinks hot or cold for hours without any power. But how does a thermos, or vacuum flask, actually work? This episode explores the brilliant physics inside this simple container, explaining how it masterfully defeats all three types of heat transfer to create a fortress of insulation.

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#10 The Physics of a Thermos: How a Vacuum Flask Really Works

#10 The Physics of a Thermos: How a Vacuum Flask Really Works

Curiosity Studios