Whether you realize it or not, the earth has a magnetic field that is essentially anchored by two poles -- magnetic north and ...

Sometimes Buzzwords in Cookie Jam can be quite ambiguous. What does it mean “a compass points [blank]”. Well... it’s easier ...

They also had observed that needles cooled from red heat and held in the north-south orientation (the earth's axis) would become magnetic. These more refined needle compasses could then be floated in ...