In this video, Jonny Nelson introduces an animated explanation of electromagnetism. Electromagnetism is due to the magnetic fields around electric currents. The fields can cause forces with other ...

The invention of the electricity generator. VideoThe invention of the electricity generator A video about the invention of the electricity generator. Investigating the I-V characteristics of ...

Abstract: In this paper the fundamental formulas of variable frequency electric circuit theory are first developed. These are then applied to a study of the transmission, reception and detection of ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...