High-Tech Printing May Help Eliminate Painful Shots

  • Magazine Article
  • TBMG-36916
Published May 01, 2020 by Tech Briefs Media Group in United States
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  • English

Engineers have created tiny needles that mimic parasites that attach to skin and could replace hypodermic needles. While 3D printing builds objects layer by layer, 4D goes further with smart materials that are programmed to change shape after printing. Time is the fourth dimension that allows materials to morph into new shapes.