Title: Convection currents in a liquid

Description: Convection currents within a liquid cause patterns of movement on the surface. These patterns can be visualized by adding highly reflective aluminum powder to the liquid. The powder alignment within the liquid then allows us to visualize these motions. Sometimes the powder accumulates on the surface and these islands, while not of great significane on their own, sometimes acquire interesting shapes in their own right. For more photographs by Andrew Davidhazy, see his Exhibits.

Credits: Andrew Davidhazy

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