Graphene Graphene Graphene is an allotrope (form) of carbon consisting of a single layer of carbon atoms arranged in a hexagonal lattice. It is a semimetal with small overlap between the valence and the conduction bands (zero bandgap material).<ref name="10.1002/adma.201502544 p.6519-6525"></ref> It is the basic structural element of many other allotropes of carbon, such as graphite, diamond, charcoal, carbon nanotubes and fullerenes. Graphene has many uncommon properties. It is the strongest material ever tested, conducts heat and electricity efficiently, and is nearly transparent. Graphene shows a large and nonlinear diamagnetism, greater than that of graphite, and can be levitated by neodymium
Empire of the Atom bodily" from the plot of "I, Claudius". A genealogy chart of the ruling family of the Empire of Linn is included. Van Vogt based "Empire of the Atom" largely on the plot of "I, Claudius" by Robert Graves, putting it into a science-fictional setting. The work was originally presented as five novelettes published in "Astounding Science Fiction" between May 1946 and December 1947. Some time, a little over 10,000 years from now, a noblewoman gives birth to a deformed child, a consequence of having been accidentally exposed to radiation from one of the temples of the Atom Gods. The baby