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3D Printing with Liquid Metal (Video)
See the video below!
One of the methods that the researchers developed involves stacking droplets of liquid metal on top of each other, much like a stack of oranges at a supermarket. These droplets adhere to one another, but retain their shape rather than merging into a single, larger droplet. Another technique involves injecting liquid metal into a polymer template so that the metal takes on a specific shape. The template is then dissolved, leaving behind only the liquid metal.