Convection cell

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Science and technology

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What Wikipedia says

In fluid dynamics, a convection cell is a circulating pattern of motion in a fluid driven by density differences, typically caused by temperature differences. As a fluid is heated, it expands, becomes less dense, and rises while cooler, denser fluid sinks, creating a self-sustaining circulation.

Excerpt from the Wikipedia article “Convection cell”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Auteur inconnu, Public domain, via Wikimedia Commons.