Anno XLVI - n.2 - aprile/giugno 2013 A smartphone, with its integrated sensors and CPU, can aid experiments in many different areas of physics. We show how the resonant frequencies of a pipe can be measured using a smartphone and a Bic pen […]
Anno XXXI - n.3 - luglio/settembre 1998 In this article we propose a classic experiment dealing with the conservation of energy. The device we describe allows a strong reduction of uncertainties in evaluating the thermal energy produced by a resistor in which an electrical current flows. […]
Anno XLIX - n.2 - aprile/giugno 2016 This article reports about certain aspects of the physics involved in automobile motion. First, we describe an experiment which aims at determining the friction experienced by a vehicle, as a function of its speed. By relying on commonly available instruments (a smartphone, […]
Anno XLIII - n.3 - luglio/settembre 2010 In the context of the ‘Lauree Scientifiche – Scienza dei materiali’ project, highschool students analyze the energy transfers in a kit including a solar cell, two PEM cells (electrolyzer and fuel cell) and a fan, with special attention to the hydrogen stocking process in the reservoir. […]
Anno XLVI - n.2 - aprile/giugno 2013 Mode of operation and examples of using smartphones as accelerometers in the physics lab […]
Anno XXIV - n.4 - ottobre/dicembre 1991 We built a cheap apparatus for measuring Planck’s constant through the photoelectric effect. The measurements are performed in the usual way: for each wavelength of the incident light the maximum energy of the photoelectrons is found by stopping them with an electric potential. […]
Anno XXVII - n.4 - ottobre/dicembre 1994 NOTA L’articolo è il secondo nella pagina […]
Anno XXVI - n.1 - gennaio/marzo 1993 This article deals with a rather simple method for measuring the height of telecommunication geostationary satellites. By observing the same telecast on two side by side displays, one of which is receiving the satellite image while the other is receiving from ground relay, […]
Anno XXXII - n.4 - ottobre/dicembre 1999 Data obtained by simple measurements of the characteristics current-tension of an incandescent commercial bycicle lamp are analized to recognize the electrical transport properties of its tungsten filament, giving the opportunity to explore an important property of the metals in the classroom. […]