… it is 100 times stronger than steel, yet it can stretch by as much as a quarter of its length. Graphene is the thinnest solid ever known, indeed the thinnest possible: it is a sheet of linked carbon atoms just one atom thick. It is a great conductor of electricity and nearly transparent to visible light, but is impermeable to gases and liquids. It has so many surprising properties that it has been dubbed a “wonder material” and has earned its discoverers a Nobel prize. …
