Electrical engineering credited with establishing the term "electricity". He also designed the versorium: a device that detects the presence of statically charged objects. In 1762 Swedish professor Johan Carl Wilcke invented a device later named electrophorus that produced a static electric charge. By 1800 Alessandro Volta had developed the voltaic pile, a forerunner of the electric battery In the 19th century, research into the subject started to intensify. Notable developments in this century include the work of Georg Ohm, who in 1827 quantified the relationship between the electric current and potential difference in a conductor, of Michael Faraday (the discoverer of electromagnetic
Alessandro Scarlatti Alessandro Scarlatti Pietro Alessandro Gaspare Scarlatti (2 May 1660 – 22 October 1725) was an Italian Baroque composer, known especially for his operas and chamber cantatas. He is considered the founder of the Neapolitan school of opera. He was the father of two other composers, Domenico Scarlatti and Pietro Filippo Scarlatti. Scarlatti was born in Palermo (or in Trapani), then part of the Kingdom of Sicily. He is generally said to have been a pupil of Giacomo Carissimi in Rome, and some theorize that he had some connection with northern Italy because his early works seem to show the influence