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 Nesta Alessandro Nesta Alessandro Nesta, (born 19 March 1976) is an Italian professional football manager and former player. He is currently the head coach of Perugia. Widely considered to be one of the best centre backs of his time and also as one of the greatest defenders ever, he was best known for his pace, artistic tackles, elegance on the ball, distribution and tight marking of opponents. He made over 400 Serie A appearances in a 20-year career spread between Lazio and Milan, winning domestic and European honours with both clubs as well as playing in Major League Soccer (MLS) for