Sites & Blogs

A site about ecclesiastical libraries -- in English.
[with Luana Giurgevich]

A blog about ancient libraries in Portugal -- in Portuguese.
[with Luana Giurgevich]

With Bernardo Mota. Site of interest to historians of mathematics. Devoted to the study of Francisco de Melo's works and the Euclidean
Tradition in Portugal. In English.
[with many thanks to Samuel Gessner]

Site maintained with Samuel Gessner. Collects materials on the Portuguese sixteenth century scholar Alvarus Thomas. In English.
(Note: the older site will be discontinued).

Site to support a Course I give on ancient mathematical astronomy (in Portuguese). Note that this is a technical course with the objective of explaining in detail the minutiae of ancient astronomical procedures. Not for the faint-hearted or the philosophically minded In Portuguese.
[with many thanks to Samuel Gessner]
Tianwenlüe 天问略,
With Rui Magone, a sinologist; a blog devoted to our joint work on translating and editing Manuel Dias's, Tianwenlüe, 天问略 (1615).
Since Rui lives in Berlin, I in Lisbon and documents are mostly in Beijing this has been a somewhat slow project. In English and Chinese. 

Pedro Nunes (1502-1578). Mathematics, Cosmography and Nautical Science in the 16th century
Site maintained with Bruno Almeida. Materials on the Portuguese mathematician Pedro Nunes. 
Still very much at the beginning. In English.
Aula da Esfera
A site I started with Bruno Almeida and now maintain with Francisco Romeiras on the famous «Aula da Esfera», one of the most interesting scientific institutions in Portugal ever. In Portuguese.

O Caso Galileu; os factos, os documentos, a polémica.
A site with all the materials (and much more) I use when giving this Course on the Galileo Affair (in Portuguese). The course is based on the reading of original documents. In Portuguese.

A blog about calendrical matters. Access is reserved.
[with José Madruga Carvalho]