A pith ball is charged using a previously charged PVC or glass rod to show attraction of opposite charges and repulsion of like charges. If you hear a crackling noise during charging, the rod is ...

MY wife and I entered the crowded lecture hall and found seats among the young chemists and engineers, among the inveterate and incorrigible lecture-goers who had come to hear the famous physicist, ...

We tend to think of electricity as part of the modern world. However, Thales of Mietus recorded information about static electricity around 585 BC. This Greek philosopher found that rubbing amber with ...