Have you ever played with a magnet and stuck it in a sandy wash? It will pick up lots of black stuff. Some call it black sand; some might think ...
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Live Science on MSNAuroras possible in a dozen US states tonight as 'coronal hole' unleashes particle storm on EarthAuroras are possible over the U.S. tonight (March 25) as a "moderate" geomagnetic storm hits Earth. UPDATE: The Northern ...
UPDATE: The Northern Lights could be visible in the U.S. tonight (March 26), appearing as far south as New York and Idaho due ...
Magnetite, like the name implies, is magnetic. Other magnetic minerals include pyrrhotite and ilmenite. Lodestone is a name given to magnetite that has polarity. Really, all magnetite has polarity ...
Other fields of scientific inquiry, according to Nielsen and Nielsen’s book, included the phenomena around the magnetic north pole and how ... including rare earth metals, which may become ...
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