Nanotechnology circuits for wireless devices: First wafer-scale graphene integrated circuit smaller than a pinhead

Nanotechnology circuits for wireless devices: First wafer-scale graphene integrated circuit smaller than a pinhead: "Scientists have achieved a milestone in creating a building block for the future of wireless devices. In a new paper, IBM researchers announced the first integrated circuit fabricated from wafer-size graphene, and demonstrated a broadband frequency mixer operating at frequencies up to 10 gigahertz (10 billion cycles/second)."