A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.
Every five years, they release a new edition of the World Magnetic Model (WMM), a tool used by GPS systems and navigation devices that maps the north magnetic pole. As of the latest revision, released ...
According to the new map, the magnetic North Pole has shifted from northern Canada toward Siberia over the past five years. It also indicates that the locations of blackout areas, where compasses ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results