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Facetless crystals that mimic starfish shells could advance 3-D-printing pills（图）
Crystal p 3-D-printing pills
2014/12/1
ANN ARBOR—In a design that mimics a hard-to-duplicate texture of starfish shells, University of Michigan engineers have made rounded crystals that have no facets.
Facetless crystals that mimic starfish shells could advance 3-D-printing pills
3-D-printing pills Facetless crystals
2014/10/30
ANN ARBOR—In a design that mimics a hard-to-duplicate texture of starfish shells, University of Michigan engineers have made rounded crystals that have no facets.