Campagnoni, Luca
(Physics and Astronomy Department "Galileo Galilei", University of Padova)
In 1933, the physicist Bruno Benedetto Rossi (1905–1993) undertook an expedition to Eritrea, which allowed him to prove that primary cosmic rays are composed mainly of positively charged particles. A few months earlier, Arthur H. Compton (1892–1962) had asked Rossi to bring to Africa also one of the ionization chambers involved in a worldwide series of experiments aimed at detecting a latitude...
