Heavy metals are here treated as light metals and, in general, are not further considered. The heaviness of naturally occurring metals such as gold, copper, and iron may have been noticed in prehistory and, in light of their malleability, led to the first attempts to craft metal ornaments, tools, and weapons. All metals discovered from then until 1809 had relatively high densities; their heaviness was regarded as a singularly distinguishing criterion. From 1809 onwards, light metals such as sodium, potassium, and strontium were isolated. Their low densities challenged conventional wisdom and it was proposed to refer to them as "metalloids" (meaning "resembling
Metals (album) bureauexport. Band Additional musicians Technical Arrangement Design !scope="row"|Worldwide (IFPI) Metals Tour " Metals (album) Metals is the fourth studio album by Canadian singer-songwriter Feist. It was released on September 30, 2011 in Ireland, Austria, Switzerland, Germany, Sweden and Belgium; October 3, 2011 in the United Kingdom; and October 4, 2011 in the United States and Canada. The first single from the album is "How Come You Never Go There", which was released on August 12, 2011. The album was supported by a world tour which started in Amsterdam, Netherlands on October 15, 2011 and finished on October 20, 2012 in