The strongest magnetic fields on Earth that we can currently produce are courtesy of MagLab in Tallahassee, Florida, at their pulsed field facility.
The traditional method for visualizing magnetic fields, which your science teacher probably demonstrated at some point, is to sprinkle some iron filings onto a piece of paper and hold it over a magnet ...
Earth is surrounded by a magnetic field generated by electric currents from within the planet. Compasses take advantage of this field to identify north and serve as a navigational aid. But one social ...