Using a very easy experiment, conductivity quantization can be observed. In this way quantum mechanics becomes something students can also experiment. […]
The article presents the solution of an old problem about a pair of scales, known to be inaccurate, and four unknown masses. […]
In recent years the knowledge levels in science of freshmen dropped constantly in Italy and in other countries. This might be because the excess of information in today?s secondary school textbooks makes identifying and mastering the important concepts difficult. Results found by different groups that examined pre-university textbooks in a number of different countries are reported. […]
Beta and gamma rays are able to penetrate into solid bodies. This property of radioactivity can be verified in a very simple and efficacious manner, making an experiment, even in a school laboratory, with poor matter. […]
This article deals how to represent the experimental data with their absolute error with Lotus 123 […]