Bent plastic in 3D world creates 2D worm hole for sound waves. Chris Lee – Dec 6, 2018 10:56 am | 66 Credit: Jian Zhu ...

Watch This New Device Print Using Sound Waves Harvard scientists develop a printing technique that could impact a slew of industries, from biopharmaceuticals to food and cosmetics.

A new technique takes yet another approach, however, by utilizing sound waves. 3D printing typically involves depositing layers of molten plastic, laser-melting powdered metal, or using UV light ...