Articoli rivista
Anno XXXV - n.2 - aprile/giugno 2002 Teorema di Carnot e rendimento del motore ideale
Carnot’s theorem and the ideal engine’s efficiency. This article discusses the efficiency formula proposed in a former article by another author, and shows how it can lead to contradictions when applied to particular cycles where heat is exchanged with only two reservoirs. […]
Anno XLVII - n.4 - ottobre/dicembre 2014 Teorie fisiche: forma e sostanza. Un esempio
Beginning of the 19th century, aether and relativity: Lorentz was looking for space-time transformation rules fitting with the covariance of Maxwell?s equations under the change from aether to Earths reference frame. Meanwhile, Einstein was stating the identity of the laws of physics in any inertial frame and the rules of invariance of the speed of light in vacuum, […]
Anno XXXVII - n.2 - aprile/giugno 2004 Termodinamica e storia: un’esperienza didattica
Teaching thermodynamics through an historical approach improves the comprehension of the basic concepts and favors the interaction between teachers of different subjects. The paper reports on a cycle of seminars on the history of thermodynamics that were held in a secondary school of Palermo, […]
Anno XXIII - n.4 - ottobre/dicembre 1990 TERMOGRAFO: un sistema per misure di temperatura on-line nel laboratorio didattico
We describe a temperature data acquisition system for the educational laboratory. Real-time plotting of the outputs of up to 4 sensors allows to easily perform traditional and non-traditional experiments, for example on non-equilibrium states. We suggest a few experiments and discuss the educational uses of the system. […]
Anno LIV – n.4 – ottobre/dicembre 2021 Termometro assoluto con diodi
An electronic linear PTAT (Proportional To Absolute Temperature) thermometer for didactical purposes is discussed and suggested as a laboratory instrument. Building this device helps students go deep into semiconductor physics. […]