ScienceDaily: Consumer Electronics News

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Measuring the mass of 'massless' electrons: Individual electrons in graphene are massless, but apparently not when they move together Posted: 23 Jun 2014 09:01 AM PDT Graphene, a one-atom-thick carbon sheet, has taken the world of physics by storm -- in part, because its electrons behave as massless particles. Yet these electrons seem to have dual personalities. Phenomena observed in the field of graphene plasmonics suggest that when the electrons move collectively, they must exhibit mass.

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