Using an off - the - shelf camera flash, researchers turned an ordinary sheet of graphene oxide into a material that bends when exposed to moisture. (sciencedaily.com)
The production problem lies in making very large sheets of graphene, say those that you would be able to pick up and look at with our own eyes. (theverge.com)
They created sheets of graphene 30 inches across (compared with pieces of just a few inches previously) and used them to build a working touch screen for the first time. (discovermagazine.com)