Chemical element more than one way, allowing the pure element to exist in multiple chemical structures (spatial arrangements of atoms), known as allotropes, which differ in their properties. For example, carbon can be found as diamond, which has a tetrahedral structure around each carbon atom; graphite, which has layers of carbon atoms with a hexagonal structure stacked on top of each other; graphene, which is a single layer of graphite that is very strong; fullerenes, which have nearly spherical shapes; and carbon nanotubes, which are tubes with a hexagonal structure (even these may differ from each other in electrical properties). The ability
What Time Is Love? riff from "What Time Is Love?". In 1993 "What Time Is Love?" was covered by U.K. based American Noise/Art Rock band The God Machine. The track appeared as a B- side on their limited silver vinyl "Home" single and a promo CD. In 1997 a trance cover-version was released by German producer Talla 2XLC and in 1998 Choci and Mark Sinclair released their own hard trance reworking entitled "What is Love?". Reviewing Drummond's book "45" for "The Observer" in 2000, Steven Poole labelled "What Time Is Love?" an "epic pop masterpiece". "The Observer" also described the "Pure Trance Original" as