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New printer uses sound waves to shape ink droplets

New printer uses sound waves to shape ink droplets

Science
Aug. 31 (UPI) -- Scientists have found a way to print with sound. The new technology will help printers exert more precise control over the shape and viscosity of ink droplets. The acoustic printer won't be printing term papers or greeting cards. Instead, the technology could be used to synthesize biopharmaceuticals and cosmetics, as well as optical and conductive materials. "By harnessing acoustic forces, we have created a new technology that enables myriad materials to be printed in a drop-on-demand manner," Jennifer Lewis, a profess or bioengineering at Harvard University, said in a news release. Scientists have previously used sound waves to levitate particles and look for contaminants. Researchers have also bounced sound waves through a maze and reflected sound waves back toward thei...