Alessandro Volta an early electric battery, which produced a steady electric current. Volta had determined that the most effective pair of dissimilar metals to produce electricity was zinc and copper. Initially he experimented with individual cells in series, each cell being a wine goblet filled with brine into which the two dissimilar electrodes were dipped. The voltaic pile replaced the goblets with cardboard soaked in brine. In announcing his discovery of the voltaic pile, Volta paid tribute to the influences of William Nicholson, Tiberius Cavallo, and Abraham Bennet. The battery made by Volta is credited as one of the first electrochemical cells.
Memorial to Alessandro Valtrini Memorial to Alessandro Valtrini The Memorial to Alessandro Valtrini is a funerary monument designed by the Italian artist Gian Lorenzo Bernini in 1639, and executed by his workshop in the same year. It is situated in the church of the San Lorenzo in Damaso in Rome. It has strong affinities with the "Memorial to Ippolito Merenda"; both were undertaken by Bernini's workshop and commissioned by Cardinal Francesco Barberini to commend the ecclesiastical work done by Valtrini and Merenda respectively. In aesthetic terms, both broke new ground in figuring Death as a moving skeleton carrying a flowing inscriptions and, in the