ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Graphene sheet. Illustration of the atomic-scale molecular structure of graphene, a single layer of graphite. It is composed of hexagonally arranged carbon atoms linked by strong covalent bonds. Graphene is very strong and flexible. It transports electrons highly efficiently and may one day replace silicon in computer chips and other technology applications.
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