Voltaic pile Voltaic pile The voltaic pile was the first electrical battery that could continuously provide an electric current to a circuit. It was invented by Italian physicist Alessandro Volta, who published his experiments in 1799. The voltaic pile then enabled a rapid series of other discoveries including the electrical decomposition (electrolysis) of water into oxygen and hydrogen by William Nicholson and Anthony Carlisle (1800) and the discovery or isolation of the chemical elements sodium (1807), potassium (1807), calcium (1808), boron (1808), barium (1808), strontium (1808), and magnesium (1808) by Humphry Davy. The entire 19th century electrical industry was powered by batteries
Alessandro Manzoni her in His name by the Father, she alone possesses what she has had immediately from God and can never lose, the whole of moral truth, omnem veritatem, in which all individual moral truths are included, as well those which man may learn by the help of reason, as those which form part of revelation or which may be deduced from it". Alessandro Manzoni Alessandro Francesco Tommaso Antonio Manzoni (; 7 March 1785 – 22 May 1873) was an Italian poet and novelist. He is famous for the novel "The Betrothed" (orig. ) (1827), generally ranked among the masterpieces of