Periodic table centre and the transition metals, lanthanides, and actinides occupying peninsulas. Most periodic tables are two-dimensional; three-dimensional tables are known to as far back as at least 1862 (pre-dating Mendeleev's two-dimensional table of 1869). More recent examples include Courtines' Periodic Classification (1925), Wringley's Lamina System (1949), Giguère's Periodic helix (1965) and Dufour's Periodic Tree (1996). Going one further, Stowe's Physicist's Periodic Table (1989) has been described as being four-dimensional (having three spatial dimensions and one colour dimension). The various forms of periodic tables can be thought of as lying on a chemistry–physics continuum. Towards the chemistry end of the continuum can
Element Eighty Element Eighty Element Eighty was a four-piece nu metal band from Tyler, Texas. The band formed in 2000. The band split in 2006, only to be reunited a few months later in 2007. Their first album was named after the chemical element mercury, which has number eighty in the Periodic Table of the Elements. Element Eighty formed in 1998, and self-released their debut album "Mercuric" on June 21, 2001. In April 2003, the band signed a deal with Universal/Republic Records. Their self-titled album "Element Eighty" was released on October 28, 2003. The band toured with such artists as Sevendust, Mudvayne,