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by IgorPartola 2543 days ago
Wouldn’t it be fairly easy to eliminate water/oil and air from an experiment to see how it affects wringing? Air: try to wring the blocks in a vacuum or at high altitude to see if it is weaker/stronger than at sea level. Water/oil: clean the surfaces and do the experiment in a really dry environment.

Does wringing work with glass blocks? If so, could we then examine the interface with some type of instrument? Could we X-ray the ceramic blocks interface?