Period 5 element and because of its rarity, rhodium is usually alloyed with platinum or palladium and applied in high-temperature and corrosion-resistive coatings. White gold is often plated with a thin rhodium layer to improve its optical impression while sterling silver is often rhodium plated for tarnish resistance. Rhodium detectors are used in nuclear reactors to measure the neutron flux level. Palladium is a chemical element with the chemical symbol Pd and an atomic number of 46. It is a rare and lustrous silvery-white metal discovered in 1803 by William Hyde Wollaston. He named it after the asteroid Pallas, which was itself named
Society of London Theatre administers the audience development initiatives Kids Week and Official London Theatre's New Year Sale, and runs events including the 'behind-the-scenes' career fair, TheatreCraft, and West End LIVE, alongside Westminster City Council. SOLT also supports a number of theatrical charities including Stage One and Mousetrap Theatre Projects. Official London Theatre is a website for tickets, news and exclusive interviews for top London shows. Alongside the website, a printed Official London Theatre Guide is produced fortnightly with show listings and theatre news. The free guide has a distribution of 125,000 and is available to pick up in London theatres and at major