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A new printing technique designed at Harvard University’s engineering school uses sound waves to control and fire droplets from a nozzle with incredible force, allowing researchers to print with liquids thicker and more viscous than ever before.
Honey, stem-cell-based inks and liquid metals all printed fluidly using these vibrations, which come from acoustic techniques that researchers had previously used to levitate liquids, not print with them.
The new technique was described in a paper published Aug. 31 in the journal Science Advances.
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A new printing technique uses sound waves to control and fire droplets from a nozzle with incredible force.Daniele Foresti/Jennifer A. Lewis / Harvard University.
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