NewScientist The Last Word - Tag 'fluid' details

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If I consider that oil is "thicker" than water, is there a fluid more "liquid" than water?
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Asked by Cetylen
on 2010-02-18 09:22:39

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Categories: Planet Earth.

Tags: water, liquid, oil, fluid.

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What would cause spontaneous flow of fluid from a small surface-breaking crack?

Fluorescent liquids are commonly used to inspect metallic components. The liquid is painted in a thin film on the surface. It fills any cracks, which can be as small as 2mm long x 1mm deep x 10microns wide. The excess liquid is removed and then the liquid remaining in the crack spontaneously bleeds back onto the surface from the crack.

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