scibri writes "Chemists have found a way to make reaction vessels perfectly suited to their needs, with 3D printers. From the article: 'Armed with a three-dimensional printer and the type of silicone-based sealant typically used for bathrooms, researchers have demonstrated a novel way to control chemical reactions ... One vessel was printed with catalyst-laced "ink," enabling the container walls to drive chemical reactions. Another container included built-in electrodes, made from skinny strips of polymer printed with a conductive carbon-based additive. The strips carried currents that stimulated an electrochemical reaction within the vessel.'"
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