The polarity of the sun's magnetic field will flip in about three to four months, accordin...  ...ill happen.When solar physicists talk about solar field reversals, their conversation often centers on th...  ...the sun's equator where the sun's slowly-rotating magnetic field ind...

That GPS unit on your car sure i...  ...pond to the direction and strength of the Earth's magnetic field . The question of how birds navigate usin...  ...avigate using - among other signals - magnetic fields is the subject of much debate. These new...  ...hese new "GP...