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DonutCola t1_j2cuszs wrote

Reply to comment by abat6294 in ELI5: Why does putting one foot out from under the blankets bring so much relief of heat while laying in bed? by SirDuke6

How tf does cooler air magically enter? You’re not really creating a viable convection current dude. It’s just like a brain illusion thing.

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abat6294 t1_j2dviq9 wrote

It doesn't rush in, but now there is an interface where cold/warm air can exchange. Having 1 small opening for air to flow is significantly different than having 0.

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tryinadosomethingher t1_j2dwugh wrote

Heat rises. When hot air from the blanket open and touch the cold air.. we’ll you know what happens when a cold and a hot front meet. Ever open the door after a steamy shower and see the air move fast? Same principle with the hot air under your blanket just not as drastic

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