BARCELONA: TREN DEL PARQUE DE CAN MERCADER

Una mañana soleada de domingo decidimos ir paseando al Parque de Can Mercader tras recordar una agradable mañana que pasamos allí con unos amigos hace algunos años. Realmente no vivimos lejos. A unos 20 minutos caminando. Así que tras un agradable... (Read More)

SCIENCE: SPECIAL RELATIVITY

I'm interested in physics, especially in theory of Relativity. As I think is quite difficult to understand it, I will try to explain here why, according to Special Relativity, the constancy of the speed of light leads to a new understanding of time... (Read More)

BARCELONA: CASA DE LA ARDIACA

Next to the Roman city wall is the entrance to the house of the Archdeacon (Casa de l'Ardiaca o Casa del Arcediano) from the 12th century, the Gothic-Renaissance residence of the archdeacon, which in 1920 became the property of the City... (Read More)