Last month, a team from the Korea Electrotechnology Research Institute (KERI), published a revolutionary approach to in the November 33, 2014 edition of Advanced Materials. The approach involves using the stretched liquid meniscus of ink to fabricate 3D reduced graphene oxide (rGO) nanowires. Unlike most 3D printing methods, which use filaments or powders as printing materials, KERI's method is more refined. "This enables us to realize finer printed structures than a nozzle aperture, resulting in the manufacturing of nanostructures," said research team leader, Professor Seung Kwon Seol at KERI's Nano Hybrid Technology Research Center.

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