CAN A PENCIL AND A TAPE FETCH YOU A NOBEL PRIZE?

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       Yes, it did for Andre Gelm and Konstantin Novoselev in 2004.  We know pencil contains graphite lead -a form of carbon.  They took a pencil and draw a line on a cello tape.  The line is made up of layers and layers of bonded carbon atoms.  T

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kannan narayanan

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