Graphene is a two-dimensional sheet of carbon atoms that is positioned to become one of the wonder materials of the 21st Century. Among graphene's unique properties is that its transport electrons behave as if they are without mass, and travel at about 0.3 percent of the speed of light regardless of their energy.
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Cooperating swarms of micron-sized devices (motes) offer completely new solutions and capabilities that can hardly be imagined. However, cooperation requires communication, and conventional radio or optical networking simply isn't practical at this size. Now researchers at Georgia Tech have invented a plasmonic graphene nano-antenna that can be efficiently used at millimeter radio wavelengths, taking one more step toward smart dust.
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