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IFLScience on MSN9h
Why Earth’s Magnetic Pole Reversals Are So Fascinating
A rare geological event occurs every 300,000 years or so: the Earth’s magnetic poles flip. The magnetic poles are the two ...
IEEE16h
The pole placement map, its properties, and relationships to system invariants
Abstract: A number of properties of the complex and real pole placement map (PPM) which relate to the dimensions of their images and relate them to known system invariants are derived. It is shown ...