Introduction to solids and their interfaces

Tight-knit, must have more barbs and hooks to hold them, 

Must he more interwoven, like thorny branches In a closed hedgerow in this class of things We find, say, adamant, flint, iron, bronze That shrieks in protest if you try to force The stout oak door against the holding bars... 

Lucretius (c.99-c.55 bce JTte way things are translated by Rolfe Humphries, Indiana University Press, 1968 

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