As a hard and brittle material, silicon has practically no natural elasticity. But in a new study, researchers have demonstrated that amorphous silicon can be grown into superelastic horseshoe-shaped nanowires that can undergo stretching of more than twice their original length, and still maintain their excellent electric properties.

Via:: https://phys.org/news/2018-01-hard-to-stretch-silicon-superelastic.html

Hard-to-stretch silicon becomes superelastic

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