El croquis #149 – Collective Experiments One of the main arguments in the narratives of modernity, though often disputed, is that which relates its urgency with the development of new materials, like window glass in large dimensions, reinforced concrete or rolled steel. moreIt is revealing to think about what the motors of current architectural innovation are. The second issue on Collective Experiments contains projects by Andrés Jaque, Fabrizio Barozzi & Alberto Veiga, Antonio Jiménez Torrecillas, Federico Soriano & Dolores Palacios, Javier García Solera, Juan Carlos Sancho Osinaga y Sol Madridejos, Luis Moreno Mansilla & Emilio Tuñón. Introductory text by Andrés Jaque.