15 junio 2015
Scientists have demonstrated — for the first time — an on-chip visible light source using graphene, an atomically thin and perfectly crystalline form of carbon, as a filament. They attached small strips of graphene to metal electrodes, suspended the strips above the substrate, and passed a current through the filaments to cause them to heat up.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/_31z1guM3p8/150615130906.htm
