Radioactivity is the transformation of an atomic nucleus by one of several mechanisms. Henry Becquerel observed alpha particles: helium-4 clusters consisting of two protons and two neutrons ejected fr...
In the January issue of Physics World, Kazuyoshi Tanaka of the Department of Molecular Engineering, Kyoto University, Japan, describes how Bakhyt Narymbetov of the Institute for Molecular Science in O...
The best place for these sensors is in the tyres themselves because this is where all the external forces on the car, with the exception of wind resistance and gravity, are felt. In the January issue ...