marking the needle direction each time join the points to show the field lines The needle of a plotting compass points to the south pole of the magnet. The behaviour of a compass shows that the ...

Until the arrival of GPS, the magnetic compass was the single most useful navigational tool ... and birds—are able to orient themselves relative to the Earth’s magnetic field. Among mammals, naked ...

If you need help visualizing magnetic fields, these slow-motion video captures should educate or captivate you. Flux lines are difficult to describe in words, because magnet shape and strength ...

Such reversals in the Earth's magnetic field, they'd tell you ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

The magnetic microstructure of the nickel-iron alloy leads to a compression of the field lines in the centre. (Image: A. Palau/ICMAB) Dr Anna Palau from the Institut de Ciencia de Materials de ...