Risultati della ricerca
Anno XLVI - n.2 - aprile/giugno 2013 Analizzare i fenomeni di caduta libera con il sensore di accelerazione dello smartphone
Mode of operation and examples of using smartphones as accelerometers in the physics lab […]
Anno XLVI - n.2 - aprile/giugno 2013 Misure elettriche svolte in Australia tramite un PC in provincia di Milano
By connecting to an Australian university lab ( http://netlab.unisa.edu.au) two Italian last-year highschool classes work with electric circuits in real time and in remote. The description of one of the activities shows the diverse interesting learning advantages offered by this kind of far away real time experimenting […]
Anno XLVI - n.2 - aprile/giugno 2013 Laboratorio didattico controllato in remoto
Remotely controlled laboratories (RCL) allow a user to connect from place A to a real experiment carried out in place B. These experiments can be carried out without booking and without needing to download special software. Describing the details of an experiment we give an example of the working principle of this technology […]
Anno XLVI - n.2 - aprile/giugno 2013 Rolling and falling
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 […]
Anno XLVI - n.1 - gennaio/marzo 2013 Cosa ci resta da scoprire?
Antonio Ereditato, former chairman of the OPERA collaboration at CERN and Gran Sasso, shares with the reader his views on the challenges that physics will be facing in the near future. He suggests five great questions that touch the limits of our present knowledge and represent a daring dream for scientists. […]
Anno XLVI - n.1 - gennaio/marzo 2013 Il Sole e i punti cardinali, il cielo ci regala lo spazio e il tempo
This article reports about an engaging school activity performed in a class of 13-year-old students. The Sun’s daily motion in the sky was observed during the whole school year. We wanted to understand how it really changed day after day, if the Sun really rises in the East and sets in the West as it is commonly believed, […]
Anno XLVI - n.1 - gennaio/marzo 2013 Integrali con la bilancia, da un’idea di Enrico Fermi
Beyond his scientific works and lectures Enrico Fermi left a lot of simple ideas and suggestions that show his unique way of applying the procedures of one science to another science. His idea of using physics to solve the mathematical problem of estimating the value of a definite integral with a sheet of paper and a scale is described and applied to the simple case of estimating π. […]
Anno XLVI - n.1 - gennaio/marzo 2013 La diffusione dell’ora esatta nell’era della televisione digitale
The reasons why in our days it is impossible to regulate our watches with precision through radio or TV signals are described and discussed. The International Atomic Time, the leap second concept, the modern techniques used to obtain a correct speaking clock and the reasons that corrupt the delivery of the time check via digital broadcasts are briefly described, […]
Anno XLVI - n.1 - gennaio/marzo 2013 L’anello saltatore e nuove storie
The Thomson ring experiment is revisited obtaining higher and higher jumps. The ring’s inductance and the phase lag between the primary magnetic flux and the current are determined using a new procedure. New configurations that produce an electromagnetic cannon that fires aluminium disks are presented. […]