Einstein worked eight years (from 1907 to 1915) to obtain an extension of special relativity to accelerated frames and to develop a relativistic theory of gravitation. Although the field equations of the theory of general relativity appeared at the end as a full realization of the heuristic assumptions he had formulated at an early stage of his investigations, […]
A short history of the changes brought in secondary education in Italy by increased school autonomy, with special attention to their consequences on the teachers’ role when teaching physics. […]