The main feature of this issue, The automobile revolution, reviews the social changes derived from the invention of cars. The magazine also includes an interview with historian Jordi Nadal and a visit to the Museu de la Torneria in Torelló guided by producer Isona Passola. The section The discovery is dedicated to the history of the Capdella cardboard hospital, an incredible prefabricated cardboard construction over a century old. The section The Invention presents the hail cannon, an early twentieth-century invention which was used in Catalan vineyards against hailstones.