Graphene 'onion rings' have delicious potential

[unable to retrieve full-text content]Hexagonal graphene "onion rings" are the product of growing two-dimensional carbon in a high-pressure, hydrogen-rich environment.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/ZmOJz2pLQmU/130718143016.htm

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