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If you read of a material that was invisible to the eye, but hundreds of times stronger than steel, stretchable, flexible, and a superconductor of electricity, you might think it was an imaginary substance dreamed up by a science-fiction author.

However, such a material exists in our world: graphene. Graphene is allotrope of the element carbon — essentially, it is an extremely thin layer of graphite (the material in a pencil) that’s just one atom thick. As such, it is the thinnest material known to humans. At the same time, graphene is extraordinarily strong, transparent, flexible, impermeable to most gases…

Susan Kennedy

Susan Kennedy helped oversee a massive increase in the state’s renewable-energy capacity—and witnessed its unintended consequences.

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