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Mercury droplet spreading on a surface
Mercury typically skitters across surfaces in tight droplets, but here it spreads out on a specially prepared surface.

Spotlight: Jan 18, 2022

Whether drops of liquid bead up or spread out on a surface is a crucial factor in many industrial technologies, from boilers to heat pipes. Engineers’ new surface-treatment method controls the wettability of virtually any liquid-surface pair.

Jan 18, 2022

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