Open call for articles for publication in the next node 28 to be published in July 2021 in Artnodes Magazine and in turn for a possible public presentation at the online symposium to be held on 10 June 2021 in the framework of the Biennial of Science in Barcelona, ​​focused on the topic of limits, and in direct connection with the future International Symposium of Electronic Arts (ISEA) to be held in Barcelona in 2022 focused on the topic of the possible. The closing of the limits and the opening of the possible ones will therefore be the backbone of the proposals that we hope to be able to accept here.