Carbon hexagonal lattice. As of 2009, graphene appears to be the strongest material ever tested. The process of separating it from graphite will require some further technological development before it is economical for industrial processes. If successful, graphene could be used in the construction of a space elevator. It could also be used to safely store hydrogen for use in a hydrogen based engine in cars. The amorphous form is an assortment of carbon atoms in a non-crystalline, irregular, glassy state, not held in a crystalline macrostructure. It is present as a powder, and is the main constituent of substances such
The Emancipation of Mimi that almost every song "showcases Carey's undeniable vocal strengths". Reviewing "Fly Like a Bird", Sinclair concluded, "It's so moving that we'll resist the temptation to be crass and interpret the song as a plea for heightened record sales. Help from above is always welcome, but "Emancipation" sounds like it just might do fine all on its own." Jennifer Vineyard of MTV News considered the album's title to be influenced by Janet Jackson's "Damita Jo", which was also based on an alternate persona. According to Jenson Macey from BBC News, "The Emancipation of Mimi" was Carey's strongest effort from the 2000s;