The aim of the work is to provide a panoramic vision on electromagnetic radiation hazards, in school laboratories. Some procedures of prevention are also detailed with exposure limits and treshold values proposed by italian rules or international board, that can be used for didactical purposes also. […]
As we realized after a detailed monitoring that students can easily get lost in solving problems of physics, this article propose a new didactic tecnique .nearer to the researcher work whose purpose is to stimulate students to sustain their interest in physics, […]
The article describes an experiment in which the response of polycrystalline silicon solar cells to different wavelengths is explored using unconventional apparatus: the cells were taken from discarded toys and a photographic enlarger was used as monochromator. […]
I describe a simple experiment showing a non trivial phenomenon and the existence of a simple relation between two different quantities. The apparatus can be put togheter with simple materials, and has been used to introduce beginning students to experiments […]