We invite everyone who wishes to become a material explorer of the Portuguese territory, but especially the citizens of Porto, Matosinhos and their hinterlands to submit materials, artefacts, materials, living things, matter and transforming practices by completing the form following here. Start by opening an account. For each item you wish to submit, start a new form. To complete an entry you will be asked to answer all the questions in the Basic Data part of the form (takes 5 minutes) and upload one image. Other entry fields in the form are optional but allow you to customise the description of your item according to the fields you choose to answer. Once you have created a record, thanks to your login credentials, you will be able to re-enter the record later to edit it