Graphite is an interesting material, an allotrope of carbon (as is diamond). It displays properties of both metals, and nonmetals. However, like a metal, graphite is a very good conductor of electricity due to the mobility of the electrons in its outer valence shells.
Arizona, Hawaii, American Samoa, Puerto Rico and the Virgin Islands donât participate in daylight saving. Indiana used to be split, but opted for daylight saving in 2005.
It wouldn't be until 1966 that Congress created one six-month daylight-saving period for states to follow or not observe at all, effectively throwing a resewn time blanket over the country. Now, Hawaii and (most of) Arizona are the only states that don't observe the change. Costs and savings.