Simple quantitative experiments on thermal expansion (solids, liquids and gases). Bonacini Prize, 1990/91. The article describes the apparatus which 12 year old students used to measure the expansion of metal rods and rubber bands and briefly discusses results. […]
The article describes some simple low cost experiments with easily available red and green lasers and diffraction gratings. […]
Some experiments with home-made HT superconductors are reported. […]
A variety of phenomena in which sliding friction between bodies having some degree of elasticity is present exhibit stick-slip motion. We describe a simple device that allows to analyse this kind of dynamics and we present a wide set of possible experimental observations and measurements. […]
Reactions to the science of global warming have followed a similar course to those of other inconvenient truths from physics. […]