A magnetic field is a mathematical description of the magnetic influence of electric currents and magnetic materials. The magnetic field at any given point is specified by both a direction and a magnitude (or strength); as such it is a vector field.[nb 1] The magnetic field is most commonly defined in terms of the Lorentz force it exerts on moving electric charges. Magnetic field can refer to two separate but closely related fields which are denoted by the symbols B and H.
Things are really shaping up this week, with some awesome new releases, especially from the rock and indie scene. The clear highlight of the week is [tag]Ringo Starr[/tag], one of the fab four, with his whooping 14th solo album, called “Liverpool 8“. We haven’t had the honor of sampling the record yet, but from what [...]