Polar vortex maps show where arctic blast is set to freeze the U.S. as far as the Deep South
A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.
Smithsonian Magazine22d
Earth’s Magnetic North Pole Is Shifting Toward Siberia and Raising Questions About Unusual Movement
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 ...