The work deals mainly with these three topics: a) Gravity is not a force, but a property of space time (curvature) b) The necessity of introduction of spin in General Relativity (torsion) c) The description of Gravity in real space time (geometric product), […]
Visiting the astronomical observatory is the occasion of a cultural growth. This visit, to be effective and incisive, must be prepared, before and during the course of it, by dealing with some basic contents. These should be selected according to a triple reference: the pupils’ […]
On-line data acquisition systems have disclosed new possibilities for teaching physics laboratory. A cheap and easy apparatus, as the one here described, allows to easily perform interesting experiments or to re-design old experiments making them suitable for schools that have no laboratory, […]
In this paper the author describes Enriques’ ideas on the concept of space and on the relations between geometry and physics. Enriques criticized the views of Kant and Poincare, considered geometry as an empirical science and anticipated some aspects of recent Popper’s epistemology. […]