INDIGO MOLECULAR IMAGES / SCIENCE PHOTO LIBRARY INDIGO MOLECULAR IMAGES / SCIENCE PHOTO LIBRARY
Graphene sheet. Computer artwork showing the structure of a graphene sheet. Graphene is a single layer of graphite. It is composed of hexagonally arranged carbon atoms (spheres) linked by strong covalent bonds (rods). Graphene is very strong and flexible. It transports electrons highly efficiently and may one day replace silicon in computer chips and other technology applications. Graphene was discovered by Andre Geim in 2004.
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