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
Gaiety Theatre, London theatre introduced new style of musical theatre in London now referred to as the Edwardian musical comedy. These shows employed female dancers known as the Gaiety Girls and were extraordinarily popular, inspiring imitations at other London theatres. A success in this genre was "The Shop Girl" (1894), which was followed by many "girl"-themed musicals. The building was demolished in 1903, and the theatre was rebuilt at the corner of Aldwych and The Strand. More hit musicals followed. When Edwardes died in 1915, Robert Evett, took over the management of the theatre and had a number of further successes, notably "Theodore